{"id":17377,"date":"2025-02-17T11:05:53","date_gmt":"2025-02-17T10:05:53","guid":{"rendered":"https:\/\/helloweb-hosting.com\/?p=17377"},"modified":"2025-02-17T11:05:53","modified_gmt":"2025-02-17T10:05:53","slug":"reparer-une-erreur-de-serveur-dns","status":"publish","type":"post","link":"https:\/\/helloweb-hosting.com\/en\/reparer-une-erreur-de-serveur-dns\/","title":{"rendered":"R\u00e9parer une erreur de serveur DNS"},"content":{"rendered":"<h2 data-start=\"294\" data-end=\"339\">Comment r\u00e9parer une erreur de serveur DNS<\/h2>\n<p data-start=\"383\" data-end=\"676\">Si tu veux r\u00e9parer une erreur de serveur DNS, utilisez la ligne de commande suivante pour diagnostiquer l&rsquo;adresse IP vers laquelle pointe actuellement le domaine. La commande <code data-start=\"558\" data-end=\"568\">nslookup<\/code> permet aux utilisateurs de Windows de r\u00e9soudre les probl\u00e8mes DNS directement depuis la ligne de commande.<\/p>\n<h4 data-start=\"678\" data-end=\"711\">V\u00e9rifier la configuration IP<\/h4>\n<ol data-start=\"713\" data-end=\"1389\">\n<li data-start=\"713\" data-end=\"892\">Ouvrez une invite de commande et entrez la commande suivante pour v\u00e9rifier l&rsquo;adresse IP, le masque de sous-r\u00e9seau et la passerelle par d\u00e9faut :\n<div class=\"contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950\">\n<div class=\"sticky top-9 md:top-[5.75rem]\"><\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"!whitespace-pre\">ipconfig \/all<br \/>\n<\/code><\/div>\n<div dir=\"ltr\"><\/div>\n<\/div>\n<\/li>\n<li data-start=\"893\" data-end=\"1046\">V\u00e9rifiez si le serveur DNS est autoritaire pour le nom sp\u00e9cifique recherch\u00e9 en entrant :\n<div class=\"contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950\">\n<div class=\"sticky top-9 md:top-[5.75rem]\"><\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"!whitespace-pre\"><span class=\"language-xml\">nslookup <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">nom<\/span>&gt;<\/span> <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">adresse<\/span> <span class=\"hljs-attr\">IP<\/span> <span class=\"hljs-attr\">du<\/span> <span class=\"hljs-attr\">serveur<\/span> <span class=\"hljs-attr\">DNS<\/span>&gt;<\/span><br \/>\n<\/span><\/code><\/div>\n<div dir=\"ltr\"><\/div>\n<\/div>\n<\/li>\n<li data-start=\"1047\" data-end=\"1330\">Pour vider le cache du r\u00e9solveur DNS, entrez l\u2019une des commandes suivantes :\n<div class=\"contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950\">\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"!whitespace-pre\">dnscmd \/clearcache<\/code><\/div>\n<div dir=\"ltr\"><\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h4 data-start=\"1391\" data-end=\"1433\">V\u00e9rifier les probl\u00e8mes du serveur DNS<\/h4>\n<p data-start=\"1435\" data-end=\"1568\">Il est recommand\u00e9 d\u2019examiner les journaux <strong data-start=\"1477\" data-end=\"1492\">Application<\/strong>, <strong data-start=\"1494\" data-end=\"1505\">Syst\u00e8me<\/strong> et <strong data-start=\"1509\" data-end=\"1524\">Serveur DNS<\/strong> pour identifier toute erreur enregistr\u00e9e.<\/p>\n<h3 data-start=\"1570\" data-end=\"1610\">V\u00e9rifier avec la commande nslookup<\/h3>\n<p data-start=\"1612\" data-end=\"1715\">Ex\u00e9cutez la commande suivante pour voir si le serveur DNS est accessible depuis l\u2019ordinateur client :<\/p>\n<div class=\"contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950\">\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"!whitespace-pre\"><span class=\"language-xml\">nslookup <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">nom<\/span> <span class=\"hljs-attr\">client<\/span>&gt;<\/span> <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">adresse<\/span> <span class=\"hljs-attr\">IP<\/span> <span class=\"hljs-attr\">du<\/span> <span class=\"hljs-attr\">serveur<\/span>&gt;<\/span><br \/>\n<\/span><\/code><\/div>\n<div dir=\"ltr\"><\/div>\n<\/div>\n<ul data-start=\"1770\" data-end=\"2457\">\n<li data-start=\"1770\" data-end=\"1865\"><strong data-start=\"1772\" data-end=\"1822\">Si le r\u00e9solveur renvoie l&rsquo;adresse IP du client<\/strong>, le serveur DNS fonctionne correctement.<\/li>\n<li data-start=\"1866\" data-end=\"2080\"><strong data-start=\"1868\" data-end=\"1931\">Si le r\u00e9solveur renvoie \u00ab\u00a0Server failure\u00a0\u00bb ou \u00ab\u00a0Query refused\u00a0\u00bb<\/strong>, la zone DNS est peut-\u00eatre mise en pause ou le serveur est surcharg\u00e9. V\u00e9rifiez l&rsquo;onglet <strong data-start=\"2020\" data-end=\"2031\">G\u00e9n\u00e9ral<\/strong> des propri\u00e9t\u00e9s de la zone dans la console DNS.<\/li>\n<li data-start=\"2081\" data-end=\"2260\"><strong data-start=\"2083\" data-end=\"2163\">Si la r\u00e9ponse est \u00ab\u00a0Request to server timed out\u00a0\u00bb ou \u00ab\u00a0No response from server\u00a0\u00bb<\/strong>, le service DNS peut \u00eatre inactif. Essayez de le red\u00e9marrer avec :\n<div class=\"contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950\">\n<div class=\"sticky top-9 md:top-[5.75rem]\"><\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"!whitespace-pre\">net <span class=\"hljs-keyword\">start<\/span> DNS<br \/>\n<\/code><\/div>\n<\/div>\n<\/li>\n<li data-start=\"2261\" data-end=\"2457\">Si le probl\u00e8me persiste alors que le service est actif, le serveur DNS ne r\u00e9pond peut-\u00eatre pas \u00e0 l&rsquo;adresse IP sp\u00e9cifi\u00e9e. V\u00e9rifiez les param\u00e8tres de l\u2019onglet <strong data-start=\"2420\" data-end=\"2434\">Interfaces<\/strong> dans la console DNS.<\/li>\n<\/ul>\n<h4 data-start=\"2459\" data-end=\"2514\">V\u00e9rifier les param\u00e8tres de s\u00e9curit\u00e9 et de pare-feu<\/h4>\n<p data-start=\"2516\" data-end=\"2878\">Si le serveur est situ\u00e9 sur un autre r\u00e9seau et accessible uniquement via un <strong data-start=\"2592\" data-end=\"2601\">proxy<\/strong> ou un <strong data-start=\"2608\" data-end=\"2628\">routeur filtrant<\/strong>, le serveur DNS peut \u00e9couter sur un port non standard.<br data-start=\"2683\" data-end=\"2686\" \/>Par d\u00e9faut, <code data-start=\"2698\" data-end=\"2708\">nslookup<\/code> envoie les requ\u00eates sur <strong data-start=\"2733\" data-end=\"2751\">le port UDP 53<\/strong>. Si votre serveur utilise un autre port, ajoutez une r\u00e8gle pour autoriser le trafic sur UDP\/TCP port 53 dans votre pare-feu.<\/p>\n<h4 data-start=\"2880\" data-end=\"2918\">V\u00e9rifier les donn\u00e9es autoritaires<\/h4>\n<p data-start=\"2920\" data-end=\"2987\">D\u00e9terminez si le serveur qui renvoie une r\u00e9ponse incorrecte est :<\/p>\n<ol data-start=\"2989\" data-end=\"3537\">\n<li data-start=\"2989\" data-end=\"3186\"><strong data-start=\"2992\" data-end=\"3015\">Un serveur primaire<\/strong> \u2013 L&rsquo;erreur peut \u00eatre due \u00e0 une mauvaise configuration des donn\u00e9es dans la zone, \u00e0 un probl\u00e8me de r\u00e9plication Active Directory ou \u00e0 une mise \u00e0 jour dynamique incorrecte.<\/li>\n<li data-start=\"3187\" data-end=\"3537\"><strong data-start=\"3190\" data-end=\"3215\">Un serveur secondaire<\/strong> \u2013 V\u00e9rifiez les param\u00e8tres de transfert de zone avec :\n<div class=\"contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950\">\n<div class=\"sticky top-9 md:top-[5.75rem]\"><\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"!whitespace-pre\">dnscmd \/zonerefresh &lt;nom de la zone&gt;<\/code><\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"!whitespace-pre\"><\/code><\/div>\n<\/div>\n<p>Si le transfert de zone \u00e9choue, comparez le <strong data-start=\"3373\" data-end=\"3392\">num\u00e9ro de s\u00e9rie<\/strong> de la zone entre le serveur primaire et secondaire. Le serveur secondaire doit toujours avoir un num\u00e9ro inf\u00e9rieur ou \u00e9gal au serveur primaire.<\/li>\n<\/ol>\n<h4 data-start=\"3539\" data-end=\"3579\">V\u00e9rifier les probl\u00e8mes de r\u00e9cursion<\/h4>\n<p data-start=\"3581\" data-end=\"3622\">Une requ\u00eate r\u00e9cursive peut \u00e9chouer si :<\/p>\n<ul data-start=\"3623\" data-end=\"3770\">\n<li data-start=\"3623\" data-end=\"3668\">La requ\u00eate expire avant d\u2019\u00eatre compl\u00e9t\u00e9e.<\/li>\n<li data-start=\"3669\" data-end=\"3708\">Le serveur interrog\u00e9 ne r\u00e9pond pas.<\/li>\n<li data-start=\"3709\" data-end=\"3770\">Un serveur interm\u00e9diaire fournit des donn\u00e9es incorrectes.<\/li>\n<\/ul>\n<h4 data-start=\"3772\" data-end=\"3805\">\u00c9tapes pour diagnostiquer :<\/h4>\n<ol data-start=\"3807\" data-end=\"4303\">\n<li data-start=\"3807\" data-end=\"3868\">V\u00e9rifiez l\u2019onglet <strong data-start=\"3828\" data-end=\"3845\">Transmetteurs<\/strong> dans la console DNS.<\/li>\n<li data-start=\"3869\" data-end=\"4303\">Si le serveur DNS ne transmet pas les requ\u00eates, essayez d\u2019interroger un serveur racine avec :\n<div class=\"contain-inline-size rounded-md border-[0.5px] border-token-border-medium relative bg-token-sidebar-surface-primary dark:bg-gray-950\">\n<div class=\"sticky top-9 md:top-[5.75rem]\"><\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"!whitespace-pre\">nslookup<br \/>\nserver &lt;adresse IP <span class=\"hljs-built_in\">du<\/span> serveur&gt;<br \/>\n<span class=\"hljs-built_in\">set<\/span> q=NS<\/code><\/div>\n<div class=\"overflow-y-auto p-4\" dir=\"ltr\"><code class=\"!whitespace-pre\"><\/code><\/div>\n<\/div>\n<ul data-start=\"4043\" data-end=\"4303\">\n<li data-start=\"4043\" data-end=\"4202\"><strong data-start=\"4045\" data-end=\"4108\">Si le r\u00e9solveur retourne une adresse IP d\u2019un serveur racine<\/strong>, une d\u00e9l\u00e9gation incorrecte entre le serveur racine et le nom de domaine peut \u00eatre en cause.<\/li>\n<li data-start=\"4206\" data-end=\"4303\"><strong data-start=\"4208\" data-end=\"4232\">Si la requ\u00eate expire<\/strong>, v\u00e9rifiez que les indices racines pointent vers des serveurs actifs.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h4 data-start=\"4305\" data-end=\"4340\">V\u00e9rifier une d\u00e9l\u00e9gation cass\u00e9e<\/h4>\n<p data-start=\"4342\" data-end=\"4419\">Pour identifier une d\u00e9l\u00e9gation incorrecte, effectuez les \u00e9tapes suivantes :<\/p>\n<ol data-start=\"4421\" data-end=\"4751\">\n<li data-start=\"4421\" data-end=\"4531\">Interrogez un serveur racine avec <code data-start=\"4458\" data-end=\"4468\">nslookup<\/code> pour voir s&rsquo;il retourne des enregistrements <strong data-start=\"4513\" data-end=\"4519\">NS<\/strong> ou <strong data-start=\"4523\" data-end=\"4528\">A<\/strong>.<\/li>\n<li data-start=\"4532\" data-end=\"4609\">Si aucun enregistrement NS ou A n&rsquo;est renvoy\u00e9, la d\u00e9l\u00e9gation est rompue.<\/li>\n<li data-start=\"4610\" data-end=\"4751\">Pour la corriger, ajoutez ou mettez \u00e0 jour un enregistrement <strong data-start=\"4674\" data-end=\"4679\">A<\/strong> dans la zone parente avec l\u2019adresse IP valide du serveur DNS d\u00e9l\u00e9gu\u00e9.<\/li>\n<\/ol>\n<h4 data-start=\"4753\" data-end=\"4794\">V\u00e9rifier les indices racines actuels<\/h4>\n<ol data-start=\"4796\" data-end=\"5088\">\n<li data-start=\"4796\" data-end=\"4823\">Ouvrez la console DNS.<\/li>\n<li data-start=\"4824\" data-end=\"4910\">S\u00e9lectionnez <strong data-start=\"4840\" data-end=\"4865\">Propri\u00e9t\u00e9s du serveur<\/strong> et acc\u00e9dez \u00e0 l&rsquo;onglet <strong data-start=\"4888\" data-end=\"4907\">Indices racines<\/strong>.<\/li>\n<li data-start=\"4911\" data-end=\"5001\">V\u00e9rifiez que le serveur peut interroger les serveurs racines via leur <strong data-start=\"4984\" data-end=\"4998\">adresse IP<\/strong>.<\/li>\n<li data-start=\"5002\" data-end=\"5088\">Si les serveurs racines ne r\u00e9pondent pas, leurs adresses IP peuvent avoir chang\u00e9.<\/li>\n<\/ol>\n<h4 data-start=\"5090\" data-end=\"5138\">V\u00e9rifier les probl\u00e8mes de transfert de zone<\/h4>\n<ol data-start=\"5140\" data-end=\"5691\">\n<li data-start=\"5140\" data-end=\"5227\">Consultez les journaux d\u2019\u00e9v\u00e9nements du serveur DNS <strong data-start=\"5194\" data-end=\"5206\">primaire<\/strong> et <strong data-start=\"5210\" data-end=\"5224\">secondaire<\/strong>.<\/li>\n<li data-start=\"5228\" data-end=\"5324\">V\u00e9rifiez si le serveur primaire refuse d&rsquo;envoyer le transfert pour des raisons de s\u00e9curit\u00e9.<\/li>\n<li data-start=\"5325\" data-end=\"5433\">Dans la console DNS, ouvrez les <strong data-start=\"5360\" data-end=\"5385\">propri\u00e9t\u00e9s de la zone<\/strong> et acc\u00e9dez \u00e0 l\u2019onglet <strong data-start=\"5408\" data-end=\"5430\">Transferts de zone<\/strong>.<\/li>\n<li data-start=\"5434\" data-end=\"5528\">Assurez-vous que le serveur secondaire est bien list\u00e9 dans l&rsquo;onglet <strong data-start=\"5505\" data-end=\"5525\">Serveurs de noms<\/strong>.<\/li>\n<li data-start=\"5529\" data-end=\"5691\">Si le serveur secondaire utilise un autre logiciel DNS (ex : BIND), activez l\u2019option <strong data-start=\"5617\" data-end=\"5644\">Enable Bind secondaries<\/strong> dans l\u2019onglet <strong data-start=\"5659\" data-end=\"5669\">Avanc\u00e9<\/strong> du serveur Windows.<\/li>\n<\/ol>\n<h4 data-start=\"5693\" data-end=\"5750\">Incompatibilit\u00e9 des serveurs primaire et secondaire<\/h4>\n<ul data-start=\"5752\" data-end=\"6119\">\n<li data-start=\"5752\" data-end=\"5966\">Si le serveur primaire Windows utilise <strong data-start=\"5793\" data-end=\"5827\">des transferts de zone rapides<\/strong>, le serveur secondaire peut ne pas \u00eatre compatible. D\u00e9sactivez cette option en activant <strong data-start=\"5916\" data-end=\"5943\">Enable Bind secondaries<\/strong> dans la console DNS.<\/li>\n<li data-start=\"5967\" data-end=\"6119\">Si le serveur secondaire ne prend pas en charge certains types d\u2019enregistrements DNS, v\u00e9rifiez la compatibilit\u00e9 entre les versions des serveurs DNS.<\/li>\n<\/ul>\n<hr data-start=\"6121\" data-end=\"6124\" \/>\n<h4 data-start=\"6126\" data-end=\"6142\"><strong data-start=\"6126\" data-end=\"6140\">Conclusion : r\u00e9parer une erreur de serveur DNS<\/strong><\/h4>\n<p data-start=\"6144\" data-end=\"6403\">En suivant ces \u00e9tapes, vous pourrez identifier et r\u00e9parer une erreur de serveur DNS. Que ce soit un probl\u00e8me de connectivit\u00e9, de r\u00e9cursion, de d\u00e9l\u00e9gation ou de transfert de zone, ces solutions vous aideront \u00e0 restaurer la connectivit\u00e9 r\u00e9seau.<\/p>\n<p data-start=\"6405\" data-end=\"6499\" data-is-last-node=\"\">Si vous avez besoin d&rsquo;une assistance technique suppl\u00e9mentaire, <a href=\"https:\/\/helloweb-hosting.com\/\">n\u2019h\u00e9sitez pas \u00e0 nous contacter.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comment r\u00e9parer une erreur de serveur DNS Si tu veux r\u00e9parer une erreur de serveur DNS, utilisez la ligne de commande suivante pour diagnostiquer l&rsquo;adresse IP vers laquelle pointe actuellement le domaine. La commande nslookup permet aux utilisateurs de Windows de r\u00e9soudre les probl\u00e8mes DNS directement depuis la ligne de commande. V\u00e9rifier la configuration IP [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17378,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[51,54],"tags":[6,78],"class_list":["post-17377","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud","category-serveur-web","tag-security","tag-serveur-dns"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>R\u00e9parer une erreur de serveur DNS - helloweb<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment r\u00e9parer une erreur de serveur DNS avec des commandes simples sous Windows et Linux. 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