{"id":1699,"date":"2019-09-06T11:05:24","date_gmt":"2019-09-06T03:05:24","guid":{"rendered":"https:\/\/www.mondoze.com\/guide\/?post_type=kb&#038;p=1699"},"modified":"2022-10-08T18:07:19","modified_gmt":"2022-10-08T10:07:19","slug":"sub-domain","status":"publish","type":"kb","link":"https:\/\/www.mondoze.com\/guide\/kb\/sub-domain","title":{"rendered":"Sub-Domain"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1699\" class=\"elementor elementor-1699\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-18e81a91 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"18e81a91\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2c22c4b4\" data-id=\"2c22c4b4\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-67ab1f1 elementor-widget elementor-widget-heading\" data-id=\"67ab1f1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is Sub-Domain?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5be5d2b elementor-widget elementor-widget-image\" data-id=\"5be5d2b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-image\">\n\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" loading=\"lazy\" width=\"300\" height=\"225\" src=\"https:\/\/www.mondoze.com\/guide\/wp-content\/uploads\/2021\/06\/arrow-300x225.jpg\" class=\"attachment-medium size-medium\" alt=\"sliver arrow\" srcset=\"https:\/\/www.mondoze.com\/guide\/wp-content\/uploads\/2021\/06\/arrow-300x225.jpg 300w, https:\/\/www.mondoze.com\/guide\/wp-content\/uploads\/2021\/06\/arrow-768x576.jpg 768w, https:\/\/www.mondoze.com\/guide\/wp-content\/uploads\/2021\/06\/arrow.jpg 960w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-635ccd30 elementor-widget elementor-widget-text-editor\" data-id=\"635ccd30\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p>In the Domain Name Server (DNS) hierarchy, a subdomain is a domain that is part of a larger domain name. <span class=\"word\">A\u00a0<\/span><span class=\"word\">DNS\u00a0<\/span><span class=\"word\">hierarchy\u00a0<\/span><span class=\"word\">comprises\u00a0<\/span><span class=\"word\">of\u00a0<\/span><span class=\"word\">the\u00a0<\/span><span class=\"word\">top\u00a0<\/span><span class=\"word\">root-level\u00a0<\/span><span class=\"word\">domain,\u00a0<\/span><span class=\"word\">the\u00a0<\/span><span class=\"word\">top-level <\/span><span class=\"word\">below <\/span><span class=\"word\">followed\u00a0<\/span><span class=\"word\">by\u00a0<\/span><span class=\"word\">second-level\u00a0<\/span><span class=\"word\">domains, <\/span><span class=\"word\">and\u00a0<\/span><span class=\"word\">lastly\u00a0<\/span><span class=\"word\">subdomains.<\/span><\/p><p>Valid subdomains as described by RFC 1034 may contain any letter or number as well as the &#8216;-&#8216; (hyphen) but must begin with an alphabet character. While both upper and lower case characters are valid. Subdomains are case insensitive so &#8216;ABC.com&#8217; is identical to &#8216;abc.COM&#8217;.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e30e69c elementor-widget elementor-widget-heading\" data-id=\"e30e69c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Length of sub domain<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc156a5 elementor-widget elementor-widget-text-editor\" data-id=\"dc156a5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span class=\"word\">The <\/span><span class=\"word\">length\u00a0<\/span><span class=\"word\">of\u00a0<\/span><span class=\"word\">a\u00a0<\/span><span class=\"word\">specific\u00a0<\/span><span class=\"word\">subdomain <\/span><span class=\"word\">label <\/span><span class=\"word\">is <\/span><span class=\"word\">limited <\/span><span class=\"word\">to\u00a0<\/span><span class=\"word\">63\u00a0<\/span><span class=\"word\">characters, <\/span><span class=\"word\">but <\/span><span class=\"word\">there <\/span><span class=\"word\">is\u00a0<\/span><span class=\"word\">an\u00a0<\/span><span class=\"word\">arbitrary <\/span><span class=\"word\">amount\u00a0<\/span><span class=\"word\">of\u00a0<\/span><span class=\"word\">subdomain\u00a0<\/span><span class=\"word\">labels\u00a0<\/span><span class=\"word\">in\u00a0<\/span><span class=\"word\">a\u00a0<\/span><span class=\"word\">domain\u00a0<\/span><span class=\"word\">name.<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b8312d7 elementor-widget elementor-widget-heading\" data-id=\"b8312d7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Structure<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a906a39 elementor-widget elementor-widget-text-editor\" data-id=\"a906a39\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><strong><span class=\"word\">Sub-Domain <\/span><\/strong><span class=\"word\">is <\/span><span class=\"word\">divided\u00a0<\/span><span class=\"word\">by\u00a0<\/span><span class=\"word\">dots.&#8221;\u00a0<\/span><span class=\"word\">&#8220;and\u00a0<\/span><span class=\"word\">read\u00a0<\/span><span class=\"word\">in\u00a0<\/span><span class=\"word\">descending\u00a0<\/span><span class=\"word\">specificities <\/span><span class=\"word\">from <\/span><span class=\"word\">left <\/span><span class=\"word\">to <\/span><span class=\"word\">right. <\/span><span class=\"word\">Each\u00a0<\/span><span class=\"word\">subdomain\u00a0<\/span><span class=\"word\">includes\u00a0<\/span><span class=\"word\">all\u00a0<\/span><span class=\"word\">prior\u00a0<\/span><span class=\"word\">subdomains\u00a0<\/span><span class=\"word\">and\u00a0<\/span><span class=\"word\">any\u00a0<\/span><span class=\"word\">subdomains\u00a0<\/span><span class=\"word\">that\u00a0<\/span><span class=\"word\">follow<\/span>. All subdomains are contained by the second-level domain, which is in turn contained by its top-level domain.<\/p><p>In this example the top-level domain is &#8216;tld&#8217; and the second-level domain is &#8216;domain&#8217;. <span class=\"word\">The Sub-Domain<\/span><span class=\"word\">\u00a0<\/span><span class=\"word\">is <\/span><span class=\"word\">enclosed\u00a0<\/span><span class=\"word\">within\u00a0<\/span><span class=\"word\">the\u00a0<\/span><span class=\"word\">&#8216;\u00a0<\/span><span class=\"word\">domain\u00a0<\/span><span class=\"word\">&#8216;\u00a0<\/span><span class=\"word\">in\u00a0<\/span><span class=\"word\">a\u00a0<\/span><span class=\"word\">tree\u00a0<\/span><span class=\"word\">structure.<\/span><\/p><p>Popular real-life examples would be news.google.com, mail.yahoo.com, and en.wikipedia.org. In which news, mail, and en are subdomains, respectively click to learn more about <a href=\"https:\/\/en.wikipedia.org\/wiki\/Subdomain\" rel=\"noopener\">Subdomains<\/a>.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c7a7e34 elementor-widget elementor-widget-text-editor\" data-id=\"c7a7e34\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p>Click <a href=\"https:\/\/www.mondoze.com\/guide\/kb\/difference-between-a-sub-domain\">here<\/a> to check out the next article about the difference between a sub domain.<\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>What is Sub-Domain? In the Domain Name Server (DNS) hierarchy, a subdomain is a domain that is part of a larger domain name. A\u00a0DNS\u00a0hierarchy\u00a0comprises\u00a0of\u00a0the\u00a0top\u00a0root-level\u00a0domain,\u00a0the\u00a0top-level below followed\u00a0by\u00a0second-level\u00a0domains, and\u00a0lastly\u00a0subdomains. Valid subdomains as described by RFC 1034 may contain any letter or number as well as the &#8216;-&#8216; (hyphen) but must begin with an alphabet character. While both &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.mondoze.com\/guide\/kb\/sub-domain\"> <span class=\"screen-reader-text\">Sub-Domain<\/span> Read More \u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"kbtopic":[96],"kbtag":[110],"mkb_version":[],"_links":{"self":[{"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kb\/1699"}],"collection":[{"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kb"}],"about":[{"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/types\/kb"}],"author":[{"embeddable":true,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/comments?post=1699"}],"version-history":[{"count":33,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kb\/1699\/revisions"}],"predecessor-version":[{"id":20151,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kb\/1699\/revisions\/20151"}],"wp:attachment":[{"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/media?parent=1699"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kbtopic?post=1699"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/kbtag?post=1699"},{"taxonomy":"mkb_version","embeddable":true,"href":"https:\/\/www.mondoze.com\/guide\/wp-json\/wp\/v2\/mkb_version?post=1699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}