{"id":7710,"date":"2025-07-17T20:01:01","date_gmt":"2025-07-17T18:01:01","guid":{"rendered":"https:\/\/www.lrob.fr\/?page_id=7710"},"modified":"2025-10-31T10:56:13","modified_gmt":"2025-10-31T09:56:13","slug":"create-a-subdomain","status":"publish","type":"page","link":"https:\/\/www.lrob.fr\/en\/doc\/hebergement-wiki\/creer-un-sous-domaine\/","title":{"rendered":"Create a subdomain"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Reminder: What is a sub-domain?<\/h2>\n\n\n\n<p class=\"translation-block\">A subdomain is an extension of your main domain name. It is determined by a <a href=\"https:\/\/www.lrob.fr\/en\/doc\/dns\/\" target=\"_self\">DNS entry<\/a> and usually an associated service or hosting.<\/p>\n\n\n\n<p>For example:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"translation-block\"><code>portail.lrob.fr<\/code> is a subdomain of <code>lrob.fr<\/code>.<\/li>\n\n\n\n<li class=\"translation-block\"><code>www.lrob.fr<\/code> is also a sub-domain, although it is often configured by default<\/li>\n<\/ul>\n\n\n\n<p class=\"translation-block\">Subdomains are unlimited on <a href=\"https:\/\/www.lrob.fr\/en\/web-hosting\/\" target=\"_self\">Web Hosting<\/a> LRob as well as on <a href=\"https:\/\/www.lrob.fr\/en\/web-hosting\/web-agency\/\" target=\"_self\">Web Agency<\/a> offers.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Create a subdomain via Plesk<\/h2>\n\n\n\n<p class=\"translation-block\">This mini-guide explains how to create a subdomain containing a website via your Plesk panel, <strong>when your domain is fully managed by LRob<\/strong> (DNS included), and you have a <strong>Let's Encrypt Wildcard SSL certificate<\/strong> already active for this domain.<\/p>\n\n\n\n<p class=\"translation-block\">If you only need to create a DNS entry for an external service or site, then go instead to the <a href=\"https:\/\/www.lrob.fr\/en\/doc\/dns\/dns-zone\/\" target=\"_self\">page about DNS zones<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Access domain management<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li class=\"translation-block\">Log in to your <strong>Plesk<\/strong> control panel.<\/li>\n\n\n\n<li>In the main menu, click on <strong>\"Websites &amp; domains<\/strong>.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Add a subdomain<\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ol class=\"wp-block-list\">\n<li class=\"translation-block\">At the top of the page, click on <strong>\"Add a subdomain\"<\/strong>.<\/li>\n\n\n\n<li class=\"translation-block\">In the <strong>Subdomain name<\/strong> field, enter the desired name (e.g. <code>blog<\/code>, <code>api<\/code>, <code>dev<\/code>, <code>boutique<\/code>, etc.).<\/li>\n\n\n\n<li class=\"translation-block\">Leave the default <strong>document root<\/strong> proposed by Plesk, unless you have a specific need.<\/li>\n\n\n\n<li class=\"translation-block\">Click <strong>\"OK\"<\/strong> to confirm subdomain creation.<\/li>\n<\/ol>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a0582aba369e&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a0582aba369e\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"433\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/lrob-subdomain-create-plesk.png\" alt=\"\" class=\"wp-image-8411\" srcset=\"https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/lrob-subdomain-create-plesk.png 724w, https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/lrob-subdomain-create-plesk-300x179.png 300w, https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/lrob-subdomain-create-plesk-150x90.png 150w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a0582aba3a19&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a0582aba3a19\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"471\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/lrob-subdomain-add-details.png\" alt=\"\" class=\"wp-image-8413\" srcset=\"https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/lrob-subdomain-add-details.png 860w, https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/lrob-subdomain-add-details-300x164.png 300w, https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/lrob-subdomain-add-details-150x82.png 150w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Apply the Wildcard SSL certificate<\/h3>\n\n\n\n<p>Once the subdomain has been created, it is important to secure connections with HTTPS :<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ol class=\"wp-block-list\">\n<li class=\"translation-block\">In the list of domains, locate the section corresponding to the <strong>sub-domain<\/strong> you've just created.<\/li>\n\n\n\n<li class=\"translation-block\">Click <strong>\"Hosting and DNS\"<\/strong>, then <strong>\"Hosting\"<\/strong>.<\/li>\n\n\n\n<li class=\"translation-block\">Scroll down to the <strong>\"Certificate\"<\/strong> section.<\/li>\n\n\n\n<li>From the drop-down list, select the Wildcard certificate corresponding to your domain. It will appear as :<br><code>yourdomain.com (subdomain.yourdomain.com)<\/code><\/li>\n\n\n\n<li class=\"translation-block\">Click on <strong>\"Save\"<\/strong>.<\/li>\n<\/ol>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a0582aba3f9c&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a0582aba3f9c\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"228\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-parametres-hebergement.png\" alt=\"\" class=\"wp-image-8414\" srcset=\"https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-parametres-hebergement.png 640w, https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-parametres-hebergement-300x107.png 300w, https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-parametres-hebergement-150x53.png 150w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a0582aba4305&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a0582aba4305\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"636\" height=\"296\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-selectionner-certificat-wildcard.png\" alt=\"\" class=\"wp-image-8415\" srcset=\"https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-selectionner-certificat-wildcard.png 636w, https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-selectionner-certificat-wildcard-300x140.png 300w, https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-selectionner-certificat-wildcard-150x70.png 150w\" sizes=\"auto, (max-width: 636px) 100vw, 636px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div>\n<\/div>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a0582aba4701&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a0582aba4701\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"264\" height=\"72\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-valider-enregistrer.png\" alt=\"\" class=\"wp-image-8416\" srcset=\"https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-valider-enregistrer.png 264w, https:\/\/www.lrob.fr\/wp-content\/uploads\/2025\/10\/plesk-valider-enregistrer-150x41.png 150w\" sizes=\"auto, (max-width: 264px) 100vw, 264px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Your subdomain is now active and secure, so all you have to do is enjoy it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Using the subdomain<\/h2>\n\n\n\n<p>You can use your subdomain immediately, for example for :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"translation-block\"><a href=\"https:\/\/www.lrob.fr\/en\/doc\/webmastering\/wordpress-docs\/install-wordpress-at-lrob\/\" target=\"_self\">Installing a <strong>WordPress<\/strong><\/a> site<\/li>\n\n\n\n<li>Hosting an application<\/li>\n\n\n\n<li>Create a test or development area<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Take a look at our other LRob guides to get the most out of your Plesk hosting.<\/p>","protected":false},"excerpt":{"rendered":"<p>Rappel : Qu&rsquo;est-ce qu&rsquo;un sous-domaine ? Un sous-domaine est une extension de votre nom de domaine principal. Il est d\u00e9termin\u00e9 par une entr\u00e9e DNS et g\u00e9n\u00e9ralement un service ou h\u00e9bergement associ\u00e9. Par exemple : Les sous-domaines sont illimit\u00e9s sur les H\u00e9bergements Web LRob ainsi que sur les offres Web Agency. Cr\u00e9er un sous-domaine via Plesk [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5511,"parent":5468,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7710","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/pages\/7710","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/comments?post=7710"}],"version-history":[{"count":4,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/pages\/7710\/revisions"}],"predecessor-version":[{"id":8417,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/pages\/7710\/revisions\/8417"}],"up":[{"embeddable":true,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/pages\/5468"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/media\/5511"}],"wp:attachment":[{"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/media?parent=7710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}