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.io – Wikipedia tiếng Việt
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href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:%C4%90%C4%83ng_nh%E1%BA%ADp&returnto=.io" title="Đăng nhập sẽ có lợi hơn, tuy nhiên không bắt buộc. [o]" accesskey="o" class=""><span>Đăng nhập</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Thêm tùy chọn" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Công cụ cá nhân" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Công cụ cá nhân</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Bảng chọn thành viên" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_vi.wikipedia.org&uselang=vi"><span>Quyên góp</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:M%E1%BB%9F_t%C3%A0i_kho%E1%BA%A3n&returnto=.io" title="Bạn được khuyến khích mở tài khoản và đăng nhập; tuy nhiên, không bắt buộc phải có tài khoản"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Tạo tài khoản</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:%C4%90%C4%83ng_nh%E1%BA%ADp&returnto=.io" title="Đăng nhập sẽ có lợi hơn, tuy nhiên không bắt buộc. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Đăng nhập</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Trang dành cho người dùng chưa đăng nhập <a href="/wiki/Tr%E1%BB%A3_gi%C3%BAp:Gi%E1%BB%9Bi_thi%E1%BB%87u" aria-label="Tìm hiểu thêm về sửa đổi"><span>tìm hiểu thêm</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%C4%90%E1%BA%B7c_bi%E1%BB%87t:%C4%90%C3%B3ng_g%C3%B3p_c%E1%BB%A7a_t%C3%B4i" title="Danh sách các sửa đổi được thực hiện qua địa chỉ IP này [y]" accesskey="y"><span>Đóng góp</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%C4%90%E1%BA%B7c_bi%E1%BB%87t:Th%E1%BA%A3o_lu%E1%BA%ADn_t%C3%B4i" title="Thảo luận với địa chỉ IP này [n]" accesskey="n"><span>Thảo luận cho địa chỉ IP này</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Trang Web"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Nội dung" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Nội dung</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">chuyển sang thanh bên</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">ẩn</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Đầu</div> </a> </li> <li id="toc-Tham_khảo" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tham_khảo"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Tham khảo</span> </div> </a> <ul id="toc-Tham_khảo-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Liên_kết_ngoài" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Liên_kết_ngoài"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Liên kết ngoài</span> </div> </a> <ul id="toc-Liên_kết_ngoài-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Nội dung" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Đóng mở mục lục" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Đóng mở mục lục</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">.io</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Xem bài viết trong ngôn ngữ khác. Bài có sẵn trong 84 ngôn ngữ" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-84" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">84 ngôn ngữ</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/.io" title=".io – Tiếng Afrikaans" lang="af" hreflang="af" data-title=".io" data-language-autonym="Afrikaans" data-language-local-name="Tiếng Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/.io" title=".io – Tiếng Ả Rập" lang="ar" hreflang="ar" data-title=".io" data-language-autonym="العربية" data-language-local-name="Tiếng Ả Rập" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/.io" title=".io – Tiếng Asturias" lang="ast" hreflang="ast" data-title=".io" data-language-autonym="Asturianu" data-language-local-name="Tiếng Asturias" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/.io" title=".io – Tiếng Azerbaijan" lang="az" hreflang="az" data-title=".io" data-language-autonym="Azərbaycanca" data-language-local-name="Tiếng Azerbaijan" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/.io" title=".io – Tiếng Indonesia" lang="id" hreflang="id" data-title=".io" data-language-autonym="Bahasa Indonesia" data-language-local-name="Tiếng Indonesia" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/.io" title=".io – Tiếng Mã Lai" lang="ms" hreflang="ms" data-title=".io" data-language-autonym="Bahasa Melayu" data-language-local-name="Tiếng Mã Lai" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/.%E0%A6%86%E0%A6%87%E0%A6%93" title=".আইও – Tiếng Bangla" lang="bn" hreflang="bn" data-title=".আইও" data-language-autonym="বাংলা" data-language-local-name="Tiếng Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/.io" title=".io – Tiếng Mân Nam" lang="nan" hreflang="nan" data-title=".io" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Tiếng Mân Nam" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/.io" title=".io – Tiếng Belarus" lang="be" hreflang="be" data-title=".io" data-language-autonym="Беларуская" data-language-local-name="Tiếng Belarus" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/.io" title=".io – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title=".io" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/.io" title=".io – Tiếng Bosnia" lang="bs" hreflang="bs" data-title=".io" data-language-autonym="Bosanski" data-language-local-name="Tiếng Bosnia" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/.io" title=".io – Tiếng Bulgaria" lang="bg" hreflang="bg" data-title=".io" data-language-autonym="Български" data-language-local-name="Tiếng Bulgaria" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/.io" title=".io – Tiếng Catalan" lang="ca" hreflang="ca" data-title=".io" data-language-autonym="Català" data-language-local-name="Tiếng Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/.io" title=".io – Tiếng Chuvash" lang="cv" hreflang="cv" data-title=".io" data-language-autonym="Чӑвашла" data-language-local-name="Tiếng Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/.io" title=".io – Tiếng Séc" lang="cs" hreflang="cs" data-title=".io" data-language-autonym="Čeština" data-language-local-name="Tiếng Séc" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/.io" title=".io – Tiếng Wales" lang="cy" hreflang="cy" data-title=".io" data-language-autonym="Cymraeg" data-language-local-name="Tiếng Wales" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/.io" title=".io – Tiếng Đan Mạch" lang="da" hreflang="da" data-title=".io" data-language-autonym="Dansk" data-language-local-name="Tiếng Đan Mạch" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/.io" title=".io – Tiếng Đức" lang="de" hreflang="de" data-title=".io" data-language-autonym="Deutsch" data-language-local-name="Tiếng Đức" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/.io" title=".io – Tiếng Estonia" lang="et" hreflang="et" data-title=".io" data-language-autonym="Eesti" data-language-local-name="Tiếng Estonia" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/.io" title=".io – Tiếng Hy Lạp" lang="el" hreflang="el" data-title=".io" data-language-autonym="Ελληνικά" data-language-local-name="Tiếng Hy Lạp" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/.io" title=".io – Tiếng Anh" lang="en" hreflang="en" data-title=".io" data-language-autonym="English" data-language-local-name="Tiếng Anh" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/.io" title=".io – Tiếng Tây Ban Nha" lang="es" hreflang="es" data-title=".io" data-language-autonym="Español" data-language-local-name="Tiếng Tây Ban Nha" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/.io" title=".io – Tiếng Quốc Tế Ngữ" lang="eo" hreflang="eo" data-title=".io" data-language-autonym="Esperanto" data-language-local-name="Tiếng Quốc Tế Ngữ" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/.io" title=".io – Tiếng Basque" lang="eu" hreflang="eu" data-title=".io" data-language-autonym="Euskara" data-language-local-name="Tiếng Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/.io" title=".io – Tiếng Ba Tư" lang="fa" hreflang="fa" data-title=".io" data-language-autonym="فارسی" data-language-local-name="Tiếng Ba Tư" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/.io" title=".io – Tiếng Faroe" lang="fo" hreflang="fo" data-title=".io" data-language-autonym="Føroyskt" data-language-local-name="Tiếng Faroe" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/.io" title=".io – Tiếng Pháp" lang="fr" hreflang="fr" data-title=".io" data-language-autonym="Français" data-language-local-name="Tiếng Pháp" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/.io" title=".io – Tiếng Galician" lang="gl" hreflang="gl" data-title=".io" data-language-autonym="Galego" data-language-local-name="Tiếng Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/.io" title=".io – Tiếng Khách Gia" lang="hak" hreflang="hak" data-title=".io" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Tiếng Khách Gia" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/.io" title=".io – Tiếng Kalmyk" lang="xal" hreflang="xal" data-title=".io" data-language-autonym="Хальмг" data-language-local-name="Tiếng Kalmyk" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/.io" title=".io – Tiếng Hàn" lang="ko" hreflang="ko" data-title=".io" data-language-autonym="한국어" data-language-local-name="Tiếng Hàn" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/.io" title=".io – Tiếng Armenia" lang="hy" hreflang="hy" data-title=".io" data-language-autonym="Հայերեն" data-language-local-name="Tiếng Armenia" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/.io" title=".io – Tiếng Croatia" lang="hr" hreflang="hr" data-title=".io" data-language-autonym="Hrvatski" data-language-local-name="Tiếng Croatia" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/.io" title=".io – Tiếng Ido" lang="io" hreflang="io" data-title=".io" data-language-autonym="Ido" data-language-local-name="Tiếng Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/.io" title=".io – Tiếng Iceland" lang="is" hreflang="is" data-title=".io" data-language-autonym="Íslenska" data-language-local-name="Tiếng Iceland" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/.io" title=".io – Tiếng Italy" lang="it" hreflang="it" data-title=".io" data-language-autonym="Italiano" data-language-local-name="Tiếng Italy" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-krc mw-list-item"><a href="https://krc.wikipedia.org/wiki/.io" title=".io – Tiếng Karachay-Balkar" lang="krc" hreflang="krc" data-title=".io" data-language-autonym="Къарачай-малкъар" data-language-local-name="Tiếng Karachay-Balkar" class="interlanguage-link-target"><span>Къарачай-малкъар</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/.io" title=".io – Tiếng Georgia" lang="ka" hreflang="ka" data-title=".io" data-language-autonym="ქართული" data-language-local-name="Tiếng Georgia" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/.io" title=".io – Tiếng Kyrgyz" lang="ky" hreflang="ky" data-title=".io" data-language-autonym="Кыргызча" data-language-local-name="Tiếng Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/.io" title=".io – Tiếng Lào" lang="lo" hreflang="lo" data-title=".io" data-language-autonym="ລາວ" data-language-local-name="Tiếng Lào" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/.io" title=".io – Tiếng Latvia" lang="lv" hreflang="lv" data-title=".io" data-language-autonym="Latviešu" data-language-local-name="Tiếng Latvia" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/.io" title=".io – Tiếng Luxembourg" lang="lb" hreflang="lb" data-title=".io" data-language-autonym="Lëtzebuergesch" data-language-local-name="Tiếng Luxembourg" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/.io" title=".io – Tiếng Lombard" lang="lmo" hreflang="lmo" data-title=".io" data-language-autonym="Lombard" data-language-local-name="Tiếng Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/.io" title=".io – Tiếng Hungary" lang="hu" hreflang="hu" data-title=".io" data-language-autonym="Magyar" data-language-local-name="Tiếng Hungary" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/.io" title=".io – Tiếng Macedonia" lang="mk" hreflang="mk" data-title=".io" data-language-autonym="Македонски" data-language-local-name="Tiếng Macedonia" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/.io" title=".io – Mingrelian" lang="xmf" hreflang="xmf" data-title=".io" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/.io" title=".io – Tiếng Ả Rập Ai Cập" lang="arz" hreflang="arz" data-title=".io" data-language-autonym="مصرى" data-language-local-name="Tiếng Ả Rập Ai Cập" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/.io" title=".io – Tiếng Hà Lan" lang="nl" hreflang="nl" data-title=".io" data-language-autonym="Nederlands" data-language-local-name="Tiếng Hà Lan" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/.io" title=".io – Tiếng Nhật" lang="ja" hreflang="ja" data-title=".io" data-language-autonym="日本語" data-language-local-name="Tiếng Nhật" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/.io" title=".io – Tiếng Chechen" lang="ce" hreflang="ce" data-title=".io" data-language-autonym="Нохчийн" data-language-local-name="Tiếng Chechen" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/.io" title=".io – Tiếng Frisia Miền Bắc" lang="frr" hreflang="frr" data-title=".io" data-language-autonym="Nordfriisk" data-language-local-name="Tiếng Frisia Miền Bắc" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/.io" title=".io – Tiếng Na Uy (Bokmål)" lang="nb" hreflang="nb" data-title=".io" data-language-autonym="Norsk bokmål" data-language-local-name="Tiếng Na Uy (Bokmål)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/.io" title=".io – Tiếng Occitan" lang="oc" hreflang="oc" data-title=".io" data-language-autonym="Occitan" data-language-local-name="Tiếng Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/.io" title=".io – Tiếng Uzbek" lang="uz" hreflang="uz" data-title=".io" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Tiếng Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/.io" title=".io – Tiếng Hạ Giéc-man" lang="nds" hreflang="nds" data-title=".io" data-language-autonym="Plattdüütsch" data-language-local-name="Tiếng Hạ Giéc-man" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/.io" title=".io – Tiếng Ba Lan" lang="pl" hreflang="pl" data-title=".io" data-language-autonym="Polski" data-language-local-name="Tiếng Ba Lan" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/.io" title=".io – Tiếng Bồ Đào Nha" lang="pt" hreflang="pt" data-title=".io" data-language-autonym="Português" data-language-local-name="Tiếng Bồ Đào Nha" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/.io" title=".io – Tiếng Romania" lang="ro" hreflang="ro" data-title=".io" data-language-autonym="Română" data-language-local-name="Tiếng Romania" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/.io" title=".io – Tiếng Nga" lang="ru" hreflang="ru" data-title=".io" data-language-autonym="Русский" data-language-local-name="Tiếng Nga" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/.io" title=".io – Tiếng Sakha" lang="sah" hreflang="sah" data-title=".io" data-language-autonym="Саха тыла" data-language-local-name="Tiếng Sakha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/.io" title=".io – Tiếng Albania" lang="sq" hreflang="sq" data-title=".io" data-language-autonym="Shqip" data-language-local-name="Tiếng Albania" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/.io" title=".io – Tiếng Sicilia" lang="scn" hreflang="scn" data-title=".io" data-language-autonym="Sicilianu" data-language-local-name="Tiếng Sicilia" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/.io" title=".io – Tiếng Slovak" lang="sk" hreflang="sk" data-title=".io" data-language-autonym="Slovenčina" data-language-local-name="Tiếng Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/.io" title=".io – Tiếng Kurd Miền Trung" lang="ckb" hreflang="ckb" data-title=".io" data-language-autonym="کوردی" data-language-local-name="Tiếng Kurd Miền Trung" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/.io" title=".io – Tiếng Serbia" lang="sr" hreflang="sr" data-title=".io" data-language-autonym="Српски / srpski" data-language-local-name="Tiếng Serbia" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/.io" title=".io – Tiếng Serbo-Croatia" lang="sh" hreflang="sh" data-title=".io" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Tiếng Serbo-Croatia" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/.io" title=".io – Tiếng Sunda" lang="su" hreflang="su" data-title=".io" data-language-autonym="Sunda" data-language-local-name="Tiếng Sunda" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/.io" title=".io – Tiếng Phần Lan" lang="fi" hreflang="fi" data-title=".io" data-language-autonym="Suomi" data-language-local-name="Tiếng Phần Lan" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Toppdom%C3%A4n#I" title="Toppdomän – Tiếng Thụy Điển" lang="sv" hreflang="sv" data-title="Toppdomän" data-language-autonym="Svenska" data-language-local-name="Tiếng Thụy Điển" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl badge-Q70893996 mw-list-item" title=""><a href="https://tl.wikipedia.org/wiki/.io" title=".io – Tiếng Tagalog" lang="tl" hreflang="tl" data-title=".io" data-language-autonym="Tagalog" data-language-local-name="Tiếng Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/.io" title=".io – Tiếng Tatar" lang="tt" hreflang="tt" data-title=".io" data-language-autonym="Татарча / tatarça" data-language-local-name="Tiếng Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/.io" title=".io – Tiếng Thái" lang="th" hreflang="th" data-title=".io" data-language-autonym="ไทย" data-language-local-name="Tiếng Thái" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/.io" title=".io – Tiếng Tajik" lang="tg" hreflang="tg" data-title=".io" data-language-autonym="Тоҷикӣ" data-language-local-name="Tiếng Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tpi mw-list-item"><a href="https://tpi.wikipedia.org/wiki/.io" title=".io – Tiếng Tok Pisin" lang="tpi" hreflang="tpi" data-title=".io" data-language-autonym="Tok Pisin" data-language-local-name="Tiếng Tok Pisin" class="interlanguage-link-target"><span>Tok Pisin</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/.io" title=".io – Tiếng Thổ Nhĩ Kỳ" lang="tr" hreflang="tr" data-title=".io" data-language-autonym="Türkçe" data-language-local-name="Tiếng Thổ Nhĩ Kỳ" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tk mw-list-item"><a href="https://tk.wikipedia.org/wiki/.io" title=".io – Tiếng Turkmen" lang="tk" hreflang="tk" data-title=".io" data-language-autonym="Türkmençe" data-language-local-name="Tiếng Turkmen" class="interlanguage-link-target"><span>Türkmençe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/.io" title=".io – Tiếng Ukraina" lang="uk" hreflang="uk" data-title=".io" data-language-autonym="Українська" data-language-local-name="Tiếng Ukraina" 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mw-list-item"><a href="https://yo.wikipedia.org/wiki/.io" title=".io – Tiếng Yoruba" lang="yo" hreflang="yo" data-title=".io" data-language-autonym="Yorùbá" data-language-local-name="Tiếng Yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/.io" title=".io – Tiếng Quảng Đông" lang="yue" hreflang="yue" data-title=".io" data-language-autonym="粵語" data-language-local-name="Tiếng Quảng Đông" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/.io" title=".io – Zazaki" lang="diq" hreflang="diq" data-title=".io" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/.io" title=".io – Tiếng Trung" 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href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:Tr%C3%ADch_d%E1%BA%ABn&page=.io&id=68182587&wpFormIdentifier=titleform" title="Hướng dẫn cách trích dẫn trang này"><span>Trích dẫn trang này</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:UrlShortener&url=https%3A%2F%2Fvi.wikipedia.org%2Fwiki%2F.io"><span>Lấy URL ngắn gọn</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:QrCode&url=https%3A%2F%2Fvi.wikipedia.org%2Fwiki%2F.io"><span>Tải mã QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> In và xuất </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:S%C3%A1ch&bookcmd=book_creator&referer=.io"><span>Tạo một quyển sách</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=%C4%90%E1%BA%B7c_bi%E1%BB%87t:DownloadAsPdf&page=.io&action=show-download-screen"><span>Tải dưới dạng PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=.io&printable=yes" title="Bản để in ra của trang [p]" accesskey="p"><span>Bản để in ra</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Tại dự án khác </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:.io" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q44957" title="Liên kết đến khoản mục kết nối trong kho dữ liệu [g]" accesskey="g"><span>Khoản mục Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Công cụ trang"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Giao diện"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Giao diện</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">chuyển sang thanh bên</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ẩn</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Bách khoa toàn thư mở Wikipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="vi" dir="ltr"><table class="infobox" style="font-size:90%;text-align:left;width:20em;"> <caption style="background:#CCF;font-size:larger;text-align:center;"><b>.io</b> </caption> <tbody><tr> <td colspan="2" style="text-align:center;padding:1em 0;"><span class="mw-default-size" typeof="mw:File"><a href="/wiki/T%E1%BA%ADp_tin:Nicio.gif" class="mw-file-description" title="NIC.IO --.IO Domain Registry"><img alt="NIC.IO --.IO Domain Registry" src="//upload.wikimedia.org/wikipedia/vi/3/3e/Nicio.gif" decoding="async" width="143" height="50" class="mw-file-element" data-file-width="143" data-file-height="50" /></a></span> </td></tr> <tr> <th>Năm ra đời </th> <td><a href="/wiki/1997" title="1997">1997</a> </td></tr> <tr> <th>Loại <a href="/wiki/TLD" class="mw-redirect" title="TLD">TLD</a> </th> <td><a href="/wiki/T%C3%AAn_mi%E1%BB%81n_qu%E1%BB%91c_gia_c%E1%BA%A5p_cao_nh%E1%BA%A5t" title="Tên miền quốc gia cấp cao nhất">Tên miền quốc gia cấp cao nhất</a> </td></tr> <tr> <th>Tình trạng </th> <td>Đang hoạt động </td></tr> <tr> <th>Đăng ký </th> <td><a href="/w/index.php?title=Internet_Computer_Bureau&action=edit&redlink=1" class="new" title="Internet Computer Bureau (trang không tồn tại)">Internet Computer Bureau</a> </td></tr> <tr> <th>Bảo trợ </th> <td><a href="/w/index.php?title=Cable_and_Wireless&action=edit&redlink=1" class="new" title="Cable and Wireless (trang không tồn tại)">Cable and Wireless</a> </td></tr> <tr> <th>Dùng cho </th> <td>Những trang có liên quan đến <a href="/wiki/L%C3%A3nh_th%E1%BB%95_%E1%BA%A4n_%C4%90%E1%BB%99_D%C6%B0%C6%A1ng_thu%E1%BB%99c_Anh" title="Lãnh thổ Ấn Độ Dương thuộc Anh">Lãnh thổ Ấn Độ Dương thuộc Anh</a> </td></tr> <tr> <th>Dùng thực tế </th> <td>Không sử dụng nhiều </td></tr> <tr> <th>Giới hạn </th> <td>Không có giới hạn cho những người đăng ký tên miền cấp hai, người đăng ký tên miền cấp 3 phải là cư dân của Lãnh thổ Ấn Độ Dương thuộc Anh </td></tr> <tr> <th>Cấu trúc </th> <td>Có thể đăng ký trực tiếp cấp 2 hoặc ở cấp 3 dưới một số tên miền nhất định </td></tr> <tr> <th>Tài liệu </th> <td><a rel="nofollow" class="external text" href="http://www.nic.io/terms.html">Điều khoản và điều kiện</a>; <a rel="nofollow" class="external text" href="http://www.nic.io/rules.html">Quy định</a> </td></tr> <tr> <th>Tranh chấp </th> <td><a rel="nofollow" class="external text" href="http://www.nic.io/dres.html">Chính sách giải quyết tranh chấp</a> </td></tr> <tr> <th>Trang web </th> <td><a rel="nofollow" class="external text" href="http://www.nic.io/">NIC.IO</a> </td></tr></tbody></table> <p><b>.io</b> là <a href="/wiki/T%C3%AAn_mi%E1%BB%81n_qu%E1%BB%91c_gia_c%E1%BA%A5p_cao_nh%E1%BA%A5t" title="Tên miền quốc gia cấp cao nhất">tên miền quốc gia cấp cao nhất</a> (<a href="/wiki/T%C3%AAn_mi%E1%BB%81n_qu%E1%BB%91c_gia_c%E1%BA%A5p_cao_nh%E1%BA%A5t" title="Tên miền quốc gia cấp cao nhất">ccTLD</a>) của <a href="/wiki/L%C3%A3nh_th%E1%BB%95_%E1%BA%A4n_%C4%90%E1%BB%99_D%C6%B0%C6%A1ng_thu%E1%BB%99c_Anh" title="Lãnh thổ Ấn Độ Dương thuộc Anh">Lãnh thổ Ấn Độ Dương thuộc Anh</a>. </p><p><a href="/wiki/T%C3%AAn_mi%E1%BB%81n_qu%E1%BB%91c_t%E1%BA%BF_h%C3%B3a" title="Tên miền quốc tế hóa">Tên miền quốc tế hóa</a> cũng có thể được đăng ký (xem <a rel="nofollow" class="external text" href="http://www.nic.io/IO-IDN-Policy.pdf">chi tiết</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20051218074147/http://www.nic.io/IO-IDN-Policy.pdf">Lưu trữ</a> 2005-12-18 tại <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>). </p> <div class="mw-heading mw-heading2"><h2 id="Tham_khảo"><span id="Tham_kh.E1.BA.A3o"></span>Tham khảo</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=.io&veaction=edit&section=1" title="Sửa đổi phần “Tham khảo”" class="mw-editsection-visualeditor"><span>sửa</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=.io&action=edit&section=1" title="Sửa mã nguồn tại đề mục: Tham khảo"><span>sửa mã nguồn</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r71728118">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist" style="list-style-type: decimal;"> </div> <div class="mw-heading mw-heading2"><h2 id="Liên_kết_ngoài"><span id="Li.C3.AAn_k.E1.BA.BFt_ngo.C3.A0i"></span>Liên kết ngoài</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=.io&veaction=edit&section=2" title="Sửa đổi phần “Liên kết ngoài”" class="mw-editsection-visualeditor"><span>sửa</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=.io&action=edit&section=2" title="Sửa mã nguồn tại đề mục: Liên kết ngoài"><span>sửa mã nguồn</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.iana.org/root-whois/io.htm">IANA.io whois information</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r70958518">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output 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.navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Tên_miền_quốc_gia_cấp_cao_nhất" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div class="plainlinks hlist navbar mini"><ul><li class="nv-xem"><a href="/wiki/B%E1%BA%A3n_m%E1%BA%ABu:T%C3%AAn_mi%E1%BB%81n_Internet_qu%E1%BB%91c_gia" title="Bản mẫu:Tên miền Internet quốc gia"><abbr title="Xem bản mẫu này">x</abbr></a></li><li class="nv-thảo luận"><a href="/w/index.php?title=Th%E1%BA%A3o_lu%E1%BA%ADn_B%E1%BA%A3n_m%E1%BA%ABu:T%C3%AAn_mi%E1%BB%81n_Internet_qu%E1%BB%91c_gia&action=edit&redlink=1" class="new" title="Thảo luận Bản mẫu:Tên miền Internet quốc gia (trang không tồn tại)"><abbr title="Thảo luận bản mẫu này">t</abbr></a></li><li class="nv-sửa"><a class="external text" href="https://vi.wikipedia.org/w/index.php?title=B%E1%BA%A3n_m%E1%BA%ABu:T%C3%AAn_mi%E1%BB%81n_Internet_qu%E1%BB%91c_gia&action=edit"><abbr title="Sửa bản mẫu này">s</abbr></a></li></ul></div><div id="Tên_miền_quốc_gia_cấp_cao_nhất" style="font-size:114%;margin:0 4em"><a href="/wiki/T%C3%AAn_mi%E1%BB%81n_qu%E1%BB%91c_gia_c%E1%BA%A5p_cao_nh%E1%BA%A5t" title="Tên miền quốc gia cấp cao nhất">Tên miền quốc gia cấp cao nhất</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><div> <p><small><b>Hiệu lực:</b></small>  <a href="/wiki/.ac" title=".ac">.ac</a>  <a href="/wiki/.ad" title=".ad">.ad</a>  <a href="/wiki/.ae" title=".ae">.ae</a>  <a href="/wiki/.af" title=".af">.af</a>  <a href="/wiki/.ag" title=".ag">.ag</a>  <a href="/wiki/.ai" title=".ai">.ai</a>  <a href="/wiki/.al" title=".al">.al</a>  <a href="/wiki/.am" title=".am">.am</a>  <a href="/wiki/.ao" title=".ao">.ao</a>  <a href="/wiki/.aq" title=".aq">.aq</a>  <a href="/wiki/.ar" title=".ar">.ar</a>  <a href="/wiki/.as" title=".as">.as</a>  <a href="/wiki/.at" title=".at">.at</a>  <a href="/wiki/.au" title=".au">.au</a>  <a href="/wiki/.aw" title=".aw">.aw</a>  <a href="/wiki/.ax" title=".ax">.ax</a>  <a href="/wiki/.az" title=".az">.az</a>  <a href="/wiki/.ba" title=".ba">.ba</a>  <a href="/wiki/.bb" title=".bb">.bb</a>  <a href="/wiki/.bd" title=".bd">.bd</a>  <a href="/wiki/.be" title=".be">.be</a>  <a href="/wiki/.bf" title=".bf">.bf</a>  <a href="/wiki/.bg" title=".bg">.bg</a>  <a href="/wiki/.bh" title=".bh">.bh</a>  <a href="/wiki/.bi" title=".bi">.bi</a>  <a href="/wiki/.bj" title=".bj">.bj</a>  <a href="/wiki/.bm" title=".bm">.bm</a>  <a href="/wiki/.bn" title=".bn">.bn</a>  <a href="/wiki/.bo" title=".bo">.bo</a>  <a href="/wiki/.br" title=".br">.br</a>  <a href="/wiki/.bs" title=".bs">.bs</a>  <a href="/wiki/.bt" title=".bt">.bt</a>  <a href="/wiki/.bw" title=".bw">.bw</a>  <a href="/wiki/.by" title=".by">.by</a>  <a href="/wiki/.bz" title=".bz">.bz</a>  <a href="/wiki/.ca" title=".ca">.ca</a>  <a href="/wiki/.cc" title=".cc">.cc</a>  <a href="/wiki/.cd" title=".cd">.cd</a>  <a href="/wiki/.cf" title=".cf">.cf</a>  <a href="/wiki/.cg" title=".cg">.cg</a>  <a href="/wiki/.ch" title=".ch">.ch</a>  <a href="/wiki/.ci" title=".ci">.ci</a>  <a href="/wiki/.ck" title=".ck">.ck</a>  <a href="/wiki/.cl" title=".cl">.cl</a>  <a href="/wiki/.cm" title=".cm">.cm</a>  <a href="/wiki/.cn" title=".cn">.cn</a>  <a href="/wiki/.co" title=".co">.co</a>  <a href="/wiki/.cr" title=".cr">.cr</a>  <a href="/wiki/.cu" title=".cu">.cu</a>  <a href="/wiki/.cv" title=".cv">.cv</a>  <a href="/wiki/.cx" title=".cx">.cx</a>  <a href="/wiki/.cy" title=".cy">.cy</a>  <a href="/wiki/.cz" title=".cz">.cz</a>  <a href="/wiki/.de" title=".de">.de</a>  <a href="/wiki/.dj" title=".dj">.dj</a>  <a href="/wiki/.dk" title=".dk">.dk</a>  <a href="/wiki/.dm" title=".dm">.dm</a>  <a href="/wiki/.do" title=".do">.do</a>  <a href="/wiki/.dz" title=".dz">.dz</a>  <a href="/wiki/.ec" title=".ec">.ec</a>  <a href="/wiki/.ee" title=".ee">.ee</a>  <a href="/wiki/.eg" title=".eg">.eg</a>  <a href="/wiki/.er" title=".er">.er</a>  <a href="/wiki/.es" title=".es">.es</a>  <a href="/wiki/.et" title=".et">.et</a>  <a href="/wiki/.eu" title=".eu">.eu</a>  <a href="/wiki/.fi" title=".fi">.fi</a>  <a href="/wiki/.fj" title=".fj">.fj</a>  <a href="/wiki/.fk" title=".fk">.fk</a>  <a href="/wiki/.fm" title=".fm">.fm</a>  <a href="/wiki/.fo" title=".fo">.fo</a>  <a href="/wiki/.fr" title=".fr">.fr</a>  <a href="/wiki/.ga" title=".ga">.ga</a>  <a href="/wiki/.gd" title=".gd">.gd</a>  <a href="/wiki/.ge" title=".ge">.ge</a>  <a href="/wiki/.gf" title=".gf">.gf</a>  <a href="/wiki/.gg" title=".gg">.gg</a>  <a href="/wiki/.gh" title=".gh">.gh</a>  <a href="/wiki/.gi" title=".gi">.gi</a>  <a href="/wiki/.gl" title=".gl">.gl</a>  <a href="/wiki/.gm" title=".gm">.gm</a>  <a href="/wiki/.gn" title=".gn">.gn</a>  <a href="/wiki/.gp" title=".gp">.gp</a>  <a href="/wiki/.gq" title=".gq">.gq</a>  <a href="/wiki/.gr" title=".gr">.gr</a>  <a href="/wiki/.gs" title=".gs">.gs</a>  <a href="/wiki/.gt" title=".gt">.gt</a>  <a href="/wiki/.gu" title=".gu">.gu</a>  <a href="/wiki/.gw" title=".gw">.gw</a>  <a href="/wiki/.gy" title=".gy">.gy</a>  <a href="/wiki/.hk" title=".hk">.hk</a>  <a href="/wiki/.hm" title=".hm">.hm</a>  <a href="/wiki/.hn" title=".hn">.hn</a>  <a href="/wiki/.hr" title=".hr">.hr</a>  <a href="/wiki/.ht" title=".ht">.ht</a>  <a href="/wiki/.hu" title=".hu">.hu</a>  <a href="/wiki/.id" title=".id">.id</a>  <a href="/wiki/.ie" title=".ie">.ie</a>  <a href="/wiki/.il" title=".il">.il</a>  <a href="/wiki/.im" title=".im">.im</a>  <a href="/wiki/.in" title=".in">.in</a>  <a class="mw-selflink selflink">.io</a>  <a href="/wiki/.iq" title=".iq">.iq</a>  <a href="/wiki/.ir" title=".ir">.ir</a>  <a href="/wiki/.is" title=".is">.is</a>  <a href="/wiki/.it" title=".it">.it</a>  <a href="/wiki/.je" title=".je">.je</a>  <a href="/wiki/.jm" title=".jm">.jm</a>  <a href="/wiki/.jo" title=".jo">.jo</a>  <a href="/wiki/.jp" title=".jp">.jp</a>  <a href="/wiki/.ke" title=".ke">.ke</a>  <a href="/wiki/.kg" title=".kg">.kg</a>  <a href="/wiki/.kh" title=".kh">.kh</a>  <a href="/wiki/.ki" title=".ki">.ki</a>  <a href="/wiki/.km" title=".km">.km</a>  <a href="/wiki/.kn" title=".kn">.kn</a>  <a href="/wiki/.kp" title=".kp">.kp</a>  <a href="/wiki/.kr" title=".kr">.kr</a>  <a href="/wiki/.kw" title=".kw">.kw</a>  <a href="/wiki/.ky" title=".ky">.ky</a>  <a href="/wiki/.kz" title=".kz">.kz</a>  <a href="/wiki/.la" title=".la">.la</a>  <a href="/wiki/.lb" title=".lb">.lb</a>  <a href="/wiki/.lc" title=".lc">.lc</a>  <a href="/wiki/.li" title=".li">.li</a>  <a href="/wiki/.lk" title=".lk">.lk</a>  <a href="/wiki/.lr" title=".lr">.lr</a>  <a href="/wiki/.ls" title=".ls">.ls</a>  <a href="/wiki/.lt" title=".lt">.lt</a>  <a href="/wiki/.lu" title=".lu">.lu</a>  <a href="/wiki/.lv" title=".lv">.lv</a>  <a href="/wiki/.ly" title=".ly">.ly</a>  <a href="/wiki/.ma" title=".ma">.ma</a>  <a href="/wiki/.mc" title=".mc">.mc</a>  <a href="/wiki/.md" title=".md">.md</a>  <a href="/wiki/.me" title=".me">.me</a>  <a href="/wiki/.mg" title=".mg">.mg</a>  <a href="/wiki/.mh" title=".mh">.mh</a>  <a href="/wiki/.mk" title=".mk">.mk</a>  <a href="/wiki/.ml" title=".ml">.ml</a>  <a href="/wiki/.mm" title=".mm">.mm</a>  <a href="/wiki/.mn" title=".mn">.mn</a>  <a href="/wiki/.mo" title=".mo">.mo</a>  <a href="/wiki/.mp" title=".mp">.mp</a>  <a href="/wiki/.mq" title=".mq">.mq</a>  <a href="/wiki/.mr" title=".mr">.mr</a>  <a href="/wiki/.ms" title=".ms">.ms</a>  <a href="/wiki/.mt" title=".mt">.mt</a>  <a href="/wiki/.mu" title=".mu">.mu</a>  <a href="/wiki/.mv" title=".mv">.mv</a>  <a href="/wiki/.mw" title=".mw">.mw</a>  <a href="/wiki/.mx" title=".mx">.mx</a>  <a href="/wiki/.my" title=".my">.my</a>  <a href="/wiki/.mz" title=".mz">.mz</a>  <a href="/wiki/.na" title=".na">.na</a>  <a href="/wiki/.nc" title=".nc">.nc</a>  <a href="/wiki/.ne" title=".ne">.ne</a>  <a href="/wiki/.nf" title=".nf">.nf</a>  <a href="/wiki/.ng" title=".ng">.ng</a>  <a href="/wiki/.ni" title=".ni">.ni</a>  <a href="/wiki/.nl" title=".nl">.nl</a>  <a href="/wiki/.no" title=".no">.no</a>  <a href="/wiki/.np" title=".np">.np</a>  <a href="/wiki/.nr" title=".nr">.nr</a>  <a href="/wiki/.nu" title=".nu">.nu</a>  <a href="/wiki/.nz" title=".nz">.nz</a>  <a href="/wiki/.om" title=".om">.om</a>  <a href="/wiki/.pa" title=".pa">.pa</a>  <a href="/wiki/.pe" title=".pe">.pe</a>  <a href="/wiki/.pf" title=".pf">.pf</a>  <a href="/wiki/.pg" title=".pg">.pg</a>  <a href="/wiki/.ph" title=".ph">.ph</a>  <a href="/wiki/.pk" title=".pk">.pk</a>  <a href="/wiki/.pl" title=".pl">.pl</a>  <a href="/wiki/.pm" title=".pm">.pm</a>  <a href="/wiki/.pn" title=".pn">.pn</a>  <a href="/wiki/.pr" title=".pr">.pr</a>  <a href="/wiki/.ps" title=".ps">.ps</a>  <a href="/wiki/.pt" title=".pt">.pt</a>  <a href="/wiki/.pw" title=".pw">.pw</a>  <a href="/wiki/.py" title=".py">.py</a>  <a href="/wiki/.qa" title=".qa">.qa</a>  <a href="/wiki/.re" title=".re">.re</a>  <a href="/wiki/.ro" title=".ro">.ro</a>  <a href="/wiki/.rs" title=".rs">.rs</a>  <a href="/wiki/.ru" title=".ru">.ru</a>  <a href="/wiki/.rw" title=".rw">.rw</a>  <a href="/wiki/.sa" title=".sa">.sa</a>  <a href="/wiki/.sb" title=".sb">.sb</a>  <a href="/wiki/.sc" title=".sc">.sc</a>  <a href="/wiki/.sd" title=".sd">.sd</a>  <a href="/wiki/.se" title=".se">.se</a>  <a href="/wiki/.sg" title=".sg">.sg</a>  <a href="/wiki/.sh" title=".sh">.sh</a>  <a href="/wiki/.si" title=".si">.si</a>  <a href="/wiki/.sk" title=".sk">.sk</a>  <a href="/wiki/.sl" title=".sl">.sl</a>  <a href="/wiki/.sm" title=".sm">.sm</a>  <a href="/wiki/.sn" title=".sn">.sn</a>  <a href="/wiki/.so" title=".so">.so</a>  <a href="/wiki/.sr" title=".sr">.sr</a>  <a href="/wiki/.ss" title=".ss">.ss</a>  <a href="/wiki/.st" title=".st">.st</a>  <a href="/wiki/.sv" title=".sv">.sv</a>  <a href="/wiki/.sy" title=".sy">.sy</a>  <a href="/wiki/.sz" title=".sz">.sz</a>  <a href="/wiki/.tc" title=".tc">.tc</a>  <a href="/wiki/.td" title=".td">.td</a>  <a href="/wiki/.tf" title=".tf">.tf</a>  <a href="/wiki/.tg" title=".tg">.tg</a>  <a href="/wiki/.th" title=".th">.th</a>  <a href="/wiki/.tj" title=".tj">.tj</a>  <a href="/wiki/.tk" title=".tk">.tk</a>  <a href="/wiki/.tl" title=".tl">.tl</a>  <a href="/wiki/.tm" title=".tm">.tm</a>  <a href="/wiki/.tn" title=".tn">.tn</a>  <a href="/wiki/.to" title=".to">.to</a>  <a href="/wiki/.tr" title=".tr">.tr</a>  <a href="/wiki/.tt" title=".tt">.tt</a>  <a href="/wiki/.tv" title=".tv">.tv</a>  <a href="/wiki/.tw" title=".tw">.tw</a>  <a href="/wiki/.tz" title=".tz">.tz</a>  <a href="/wiki/.ua" title=".ua">.ua</a>  <a href="/wiki/.ug" title=".ug">.ug</a>  <a href="/wiki/.uk" title=".uk">.uk</a>  <a href="/wiki/.us" title=".us">.us</a>  <a href="/wiki/.uy" title=".uy">.uy</a>  <a href="/wiki/.uz" title=".uz">.uz</a>  <a href="/wiki/.va" title=".va">.va</a>  <a href="/wiki/.vc" title=".vc">.vc</a>  <a href="/wiki/.ve" title=".ve">.ve</a>  <a href="/wiki/.vg" title=".vg">.vg</a>  <a href="/wiki/.vi" title=".vi">.vi</a>  <a href="/wiki/.vn" title=".vn">.vn</a>  <a href="/wiki/.vu" title=".vu">.vu</a>  <a href="/wiki/.wf" title=".wf">.wf</a>  <a href="/wiki/.ws" title=".ws">.ws</a>  <a href="/wiki/.ye" title=".ye">.ye</a>  <a href="/wiki/.yt" title=".yt">.yt</a>  <a href="/wiki/.za" title=".za">.za</a>  <a href="/wiki/.zm" title=".zm">.zm</a>  <a href="/wiki/.zw" title=".zw">.zw</a> </p> <hr /> <p><small><b>Dự trữ/chưa cấp:</b></small>  <a href="/wiki/.bl" title=".bl">.bl</a>  <a href="/wiki/.bq" title=".bq">.bq</a>  <a href="/wiki/.eh" title=".eh">.eh</a>  <a href="/wiki/.mf" title=".mf">.mf</a>       <small><b>Đã cấp/chưa dùng:</b></small>  <a href="/wiki/.bv" title=".bv">.bv</a>  <a href="/wiki/.gb" title=".gb">.gb</a>  <a href="/wiki/.sj" title=".sj">.sj</a>       <small><b>Tạm ngưng:</b></small>  <a href="/wiki/.su" title=".su">.su</a>       <small><b>Đã xóa/không dùng:</b></small>  <a href="/wiki/.an" title=".an">.an</a>  <a href="/wiki/.mm" title=".mm">.bu</a>  <a href="/wiki/.cs" title=".cs">.cs</a>  <a href="/wiki/.dd" title=".dd">.dd</a>  <a href="/wiki/.tp" title=".tp">.tp</a>  <a href="/wiki/.um" title=".um">.um</a>  <a href="/wiki/.yu" title=".yu">.yu</a>  <a href="/wiki/.zr" title=".zr">.zr</a> </p> </div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div>Xem thêm: <b><a href="/wiki/T%C3%AAn_mi%E1%BB%81n_c%E1%BA%A5p_cao_nh%E1%BA%A5t_d%C3%B9ng_chung" title="Tên miền cấp cao nhất dùng chung">Tên miền cấp cao nhất dùng chung</a></b></div></td></tr></tbody></table></div> <div class="boilerplate metadata plainlinks" id="stub"><table class="metadata plainlinks stub" style="background: transparent;" role="presentation"><tbody><tr> <td><span typeof="mw:File"><a href="/wiki/T%E1%BA%ADp_tin:Crystal_Clear_app_browser.png" class="mw-file-description"><img alt="Hình tượng sơ khai" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Crystal_Clear_app_browser.png/35px-Crystal_Clear_app_browser.png" decoding="async" width="35" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Crystal_Clear_app_browser.png/53px-Crystal_Clear_app_browser.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Crystal_Clear_app_browser.png/70px-Crystal_Clear_app_browser.png 2x" data-file-width="128" data-file-height="128" /></a></span></td> <td><i>Bài viết liên quan đến <a href="/wiki/Internet" title="Internet">Internet</a> này vẫn còn <a href="/wiki/Wikipedia:B%C3%A0i_s%C6%A1_khai" title="Wikipedia:Bài sơ khai">sơ khai</a>. Bạn có thể giúp Wikipedia <a class="external text" href="https://vi.wikipedia.org/w/index.php?title=.io&veaction=edit">mở rộng nội dung</a> để bài được hoàn chỉnh hơn.</i><div class="plainlinks hlist navbar mini" style="position: absolute; right: 15px; display: none;"><ul><li class="nv-xem"><a href="/wiki/B%E1%BA%A3n_m%E1%BA%ABu:S%C6%A1_khai_Internet" title="Bản mẫu:Sơ khai Internet"><abbr title="Xem bản mẫu này">x</abbr></a></li><li class="nv-thảo luận"><a href="/w/index.php?title=Th%E1%BA%A3o_lu%E1%BA%ADn_B%E1%BA%A3n_m%E1%BA%ABu:S%C6%A1_khai_Internet&action=edit&redlink=1" class="new" title="Thảo luận Bản mẫu:Sơ khai Internet (trang không tồn tại)"><abbr title="Thảo luận bản mẫu này">t</abbr></a></li><li class="nv-sửa"><a class="external text" href="https://vi.wikipedia.org/w/index.php?title=B%E1%BA%A3n_m%E1%BA%ABu:S%C6%A1_khai_Internet&action=edit"><abbr title="Sửa bản mẫu này">s</abbr></a></li></ul></div></td> </tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.eqiad.main‐7d588db968‐dsbr4 Cached time: 20241105081933 Cache expiry: 2592000 Reduced expiry: false Complications: [] CPU time usage: 0.147 seconds Real time usage: 0.186 seconds Preprocessor visited node count: 248/1000000 Post‐expand include size: 22298/2097152 bytes Template argument size: 1373/2097152 bytes Highest expansion depth: 7/100 Expensive parser function count: 0/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 5548/5000000 bytes Lua time usage: 0.072/10.000 seconds Lua memory usage: 950936/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 131.441 1 -total 62.87% 82.632 1 Bản_mẫu:CcTLD 58.85% 77.352 1 Bản_mẫu:Navbox 16.56% 21.769 1 Bản_mẫu:Webarchive 9.26% 12.178 1 Bản_mẫu:Tham_khảo 6.43% 8.458 1 Bản_mẫu:Sơ_khai_Internet 4.52% 5.942 1 Bản_mẫu:Infobox_Tên_miền_gốc 4.32% 5.683 1 Bản_mẫu:Hộp_sơ_khai 2.01% 2.647 1 Bản_mẫu:Thanh_điều_hướng --> <!-- Saved in parser cache with key viwiki:pcache:idhash:105420-0!canonical and timestamp 20241105081933 and revision id 68182587. 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