{"id":30159,"date":"2026-02-06T19:02:32","date_gmt":"2026-02-06T18:02:32","guid":{"rendered":""},"modified":"2026-02-06T19:02:32","modified_gmt":"2026-02-06T18:02:32","slug":"whois-lookup","status":"publish","type":"page","link":"https:\/\/www.firestorm.ch\/fr\/tools\/whois-lookup\/","title":{"rendered":"WHOIS Lookup"},"content":{"rendered":"<style>\n    .fs-tools-nav { max-width: 900px; margin: 30px auto 0; padding: 0 20px; }\n    .fs-tools-nav-inner {\n        display: flex; flex-wrap: wrap; gap: 6px;\n        background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 10px; padding: 6px;\n    }\n    .fs-tools-nav a {\n        display: inline-flex; align-items: center; gap: 6px;\n        padding: 8px 16px; border-radius: 6px; font-size: 0.9em; font-weight: 500;\n        color: #555 !important; text-decoration: none !important; transition: all 0.2s;\n        white-space: nowrap;\n    }\n    .fs-tools-nav a:hover { background: #e2e8f0; color: #333 !important; }\n    .fs-tools-nav a.fs-tools-nav-active {\n        background: #197dc8; color: #fff !important; font-weight: 600;\n    }\n    .fs-tools-nav a.fs-tools-nav-active:hover { background: #1565a0; }\n    .fs-tools-nav a.fs-tools-nav-overview svg { width: 14px; height: 14px; flex-shrink: 0; }\n    @media (max-width: 600px) {\n        .fs-tools-nav-inner { gap: 4px; padding: 4px; }\n        .fs-tools-nav a { padding: 7px 10px; font-size: 0.82em; }\n    }\n    <\/style><nav class=\"fs-tools-nav\"><div class=\"fs-tools-nav-inner\"><a href=\"\/fr\/tools\/\" class=\"fs-tools-nav-overview\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M15 18l-6-6 6-6\"\/><\/svg>Tous les outils<\/a><a href=\"\/fr\/tools\/whois-lookup\/\" class=\"fs-tools-nav-active\">WHOIS<\/a><a href=\"\/fr\/tools\/dns-check\/\" class=\"\">Domain Check<\/a><a href=\"\/fr\/tools\/dane-checker\/\" class=\"\">Mail Check<\/a><a href=\"\/fr\/tools\/hosting-check\/\" class=\"\">Hosting Check<\/a><a href=\"\/fr\/tools\/ssl-converter\/\" class=\"\">SSL Converter<\/a><a href=\"\/fr\/tools\/dns-catcher\/\" class=\"\">DNS Catcher<\/a><\/div><\/nav>    <style>\n    .fs-whois-section { max-width: 900px; 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justify-content: space-between; align-items: center;\n        background: #f8fafc;\n    }\n    .fs-whois-results-header h3 { font-size: 1.2em; color: #1e293b; margin: 0; font-weight: 700; }\n    .fs-whois-type-badge {\n        display: inline-flex; align-items: center; gap: 6px; padding: 5px 14px; border-radius: 20px;\n        font-size: 0.85em; font-weight: 600; background: rgba(25,125,200,0.1); color: #197dc8;\n    }\n    .fs-whois-type-badge svg { width: 14px; height: 14px; }\n\n    \/* Summary table *\/\n    .fs-whois-table { width: 100%; border-collapse: collapse; }\n    .fs-whois-table tr { transition: background 0.15s; }\n    .fs-whois-table tr:hover { background: #f8fafc; }\n    .fs-whois-table td {\n        padding: 14px 24px; border-bottom: 1px solid #f1f5f9; vertical-align: top;\n    }\n    .fs-whois-table tr:last-child td { border-bottom: none; }\n    .fs-whois-table td:first-child {\n        font-weight: 700; color: #1e293b; width: 180px;\n    }\n    .fs-whois-table td:last-child { color: #475569; }\n    .fs-whois-field-hint {\n        display: block; font-weight: 400; font-size: 0.82em; color: #94a3b8; margin-top: 3px;\n    }\n    .fs-whois-ns-list { list-style: none; margin: 0; padding: 0; }\n    .fs-whois-ns-list li { padding: 2px 0; font-family: 'Courier New', monospace; font-size: 0.95em; }\n    .fs-whois-status-list { list-style: none; margin: 0; padding: 0; }\n    .fs-whois-status-list li {\n        display: inline-block; padding: 3px 10px; margin: 2px 4px 2px 0; border-radius: 6px;\n        font-size: 0.85em; font-weight: 500; background: #f1f5f9; color: #475569;\n    }\n    \/* Raw data section *\/\n    .fs-whois-raw-inline { border-top: 1px solid #e2e8f0; }\n    .fs-whois-raw-inline summary {\n        padding: 14px 24px; background: #f8fafc;\n        display: flex; align-items: center; gap: 10px;\n        cursor: pointer; list-style: none; user-select: none; transition: background 0.15s;\n        font-size: 0.92em; font-weight: 600; color: #64748b;\n    }\n    .fs-whois-raw-inline summary::-webkit-details-marker { display: none; }\n    .fs-whois-raw-inline summary:hover { background: #eef2ff; }\n    .fs-whois-raw-inline[open] summary { border-bottom: 1px solid #e2e8f0; }\n    .fs-whois-raw-inline summary span { flex: 1; }\n    .fs-whois-raw-inline summary svg { width: 16px; height: 16px; color: #94a3b8; flex-shrink: 0; }\n    .fs-whois-raw-inline summary .fs-whois-chevron {\n        width: 14px; height: 14px; color: #94a3b8; transition: transform 0.2s; flex-shrink: 0;\n    }\n    .fs-whois-raw-inline[open] summary .fs-whois-chevron { transform: rotate(180deg); }\n    .fs-whois-raw {\n        background: #0f172a; color: #e2e8f0; padding: 24px;\n        font-family: 'Courier New', Consolas, monospace; font-size: 0.83em;\n        line-height: 1.65; overflow-x: auto; white-space: pre-wrap; word-break: break-all;\n        border-radius: 0 0 16px 16px;\n    }\n\n    \/* DNSSEC badge (inline next to type badge) *\/\n    .fs-whois-dnssec-badge {\n        display: inline-flex; align-items: center; gap: 6px;\n        padding: 5px 14px; border-radius: 20px; font-size: 0.85em; font-weight: 600;\n    }\n    .fs-whois-dnssec-badge svg { width: 14px; height: 14px; }\n    .fs-whois-dnssec-badge-ok { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }\n    .fs-whois-dnssec-badge-warn { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }\n\n\n    \/* Info box (no query) *\/\n    .fs-whois-info {\n        margin-top: 8px; padding: 32px; background: #fff; border: 1px solid #e2e8f0;\n        border-radius: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.04);\n    }\n    .fs-whois-info h3 { color: #1e293b; margin-bottom: 12px; font-weight: 700; }\n    .fs-whois-info p { color: #475569; line-height: 1.7; }\n\n    \/* SEO content section *\/\n    .fs-whois-seo {\n        margin-top: 48px; padding: 40px; background: #f8fafc; border: 1px solid #e2e8f0;\n        border-radius: 16px;\n    }\n    .fs-whois-seo h3 {\n        color: #1e293b; font-size: 1.4em; font-weight: 800; margin-bottom: 16px;\n    }\n    .fs-whois-seo h4 {\n        color: #334155; font-size: 1.1em; font-weight: 700; margin: 28px 0 10px;\n    }\n    .fs-whois-seo p { color: #475569; line-height: 1.8; margin-bottom: 12px; font-size: 0.98em; }\n\n    \/* Mobile *\/\n    @media (max-width: 600px) {\n        .fs-whois-form { flex-direction: column; }\n        .fs-whois-form button { width: 100%; }\n        .fs-whois-search { padding: 28px 16px; }\n        .fs-whois-search h2 { font-size: 1.5em; }\n        .fs-whois-table td { padding: 10px 16px; display: block; width: 100%; }\n        .fs-whois-table td:first-child { border-bottom: none; padding-bottom: 2px; }\n        .fs-whois-results-header { padding: 16px; flex-direction: column; gap: 8px; align-items: flex-start; }\n        .fs-whois-raw { padding: 16px; font-size: 0.78em; }\n        .fs-whois-seo { padding: 24px 16px; }\n        .fs-whois-seo h3 { font-size: 1.2em; }\n    }\n    <\/style>\n\n    <div class=\"fs-whois-section\">\n        <div class=\"fs-whois-search\">\n            <h2>WHOIS Lookup<\/h2>\n            <p>Interrogez les informations de propri\u00e9t\u00e9 de domaines et IP<\/p>\n            <form class=\"fs-whois-form\" method=\"get\">\n                <input type=\"text\" name=\"domain\" placeholder=\"Entrez un domaine ou une adresse IP (ex. firestorm.ch)\" value=\"\" autofocus>\n                <button type=\"submit\">\n                    <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"width:18px;height:18px;vertical-align:middle;margin-right:6px;display:inline-block;\"><circle cx=\"11\" cy=\"11\" r=\"8\"\/><path d=\"M21 21l-4.35-4.35\"\/><\/svg>Rechercher                <\/button>\n            <\/form>\n        <\/div>\n\n    \n    \n            <div class=\"fs-whois-info\">\n            <h3>Qu&#039;est-ce qu&#039;un WHOIS Lookup ?<\/h3>\n            <p>WHOIS est un protocole de requ\u00eate qui fournit des informations sur l&#039;enregistrement de domaines et d&#039;adresses IP. Chaque domaine sur Internet doit \u00eatre enregistr\u00e9 aupr\u00e8s d&#039;un registrar, et les donn\u00e9es associ\u00e9es sont stock\u00e9es dans la base de donn\u00e9es WHOIS.<\/p>\n            <p>Avec notre outil WHOIS gratuit, vous pouvez d\u00e9couvrir \u00e0 qui appartient un domaine, quand il a \u00e9t\u00e9 enregistr\u00e9, quand il expire et quels serveurs de noms sont utilis\u00e9s. Pour les adresses IP, vous obtenez des informations sur le r\u00e9seau associ\u00e9, l&#039;organisation gestionnaire et le contact abuse responsable.<\/p>\n        <\/div>\n    \n        <!-- SEO Content -->\n        <div class=\"fs-whois-seo\">\n            <h3>Qu&#039;est-ce qu&#039;un WHOIS Lookup ?<\/h3>\n            <p>WHOIS est un protocole de requ\u00eate qui fournit des informations sur l'enregistrement de domaines et d'adresses IP. Chaque domaine sur Internet doit \u00eatre enregistr\u00e9 aupr\u00e8s d'un registrar, et les donn\u00e9es associ\u00e9es sont stock\u00e9es dans la base de donn\u00e9es WHOIS.<\/p>\n            <p>Avec notre outil WHOIS gratuit, vous pouvez d\u00e9couvrir \u00e0 qui appartient un domaine, quand il a \u00e9t\u00e9 enregistr\u00e9, quand il expire et quels serveurs de noms sont utilis\u00e9s. Pour les adresses IP, vous obtenez des informations sur le r\u00e9seau associ\u00e9, l'organisation gestionnaire et le contact abuse responsable.<\/p>\n\n            <h4>Quelles informations fournit WHOIS ?<\/h4>\n            <p>Une requ\u00eate WHOIS peut fournir les informations suivantes : <strong>Registrar<\/strong> \u2013 l'entreprise aupr\u00e8s de laquelle le domaine est enregistr\u00e9. <strong>Titulaire<\/strong> \u2013 la personne ou l'organisation propri\u00e9taire du domaine (si non masqu\u00e9 par un service de confidentialit\u00e9). <strong>Date d'enregistrement<\/strong> \u2013 quand le domaine a \u00e9t\u00e9 enregistr\u00e9 pour la premi\u00e8re fois. <strong>Date d'expiration<\/strong> \u2013 quand le domaine doit \u00eatre renouvel\u00e9. <strong>Serveurs de noms<\/strong> \u2013 les serveurs DNS responsables du domaine. <strong>Statut<\/strong> \u2013 si le domaine est actif, verrouill\u00e9 ou autrement restreint.<\/p>\n\n            <h4>Confidentialit\u00e9 et WHOIS<\/h4>\n            <p>Depuis l'introduction du RGPD, les donn\u00e9es personnelles dans les enregistrements WHOIS sont souvent masqu\u00e9es par des services de confidentialit\u00e9 (WHOIS Privacy \/ Proxy). De nombreux registrars offrent ce service gratuitement pour prot\u00e9ger les donn\u00e9es personnelles du propri\u00e9taire du domaine.<\/p>\n\n            <h4>WHOIS pour les adresses IP<\/h4>\n            <p>En plus des domaines, vous pouvez \u00e9galement interroger des adresses IP avec notre outil. Vous obtenez des informations sur le r\u00e9seau associ\u00e9, le fournisseur d'acc\u00e8s Internet (ISP) et la localisation. C'est particuli\u00e8rement utile pour v\u00e9rifier l'origine du trafic r\u00e9seau ou des e-mails.<\/p>\n        <\/div>\n    <\/div>\n    \n","protected":false},"excerpt":{"rendered":"Tous les outilsWHOISDomain CheckMail CheckHosting CheckSSL ConverterDNS Catcher WHOIS Lookup Interrogez les informations de propri\u00e9t\u00e9 de domaines et IP Rechercher Qu&#039;est-ce qu&#039;un WHOIS Lookup ? WHOIS est un protocole de requ\u00eate qui fournit des informations sur l&#039;enregistrement de domaines et d&#039;adresses IP. Chaque domaine sur Internet doit \u00eatre enregistr\u00e9 aupr\u00e8s d&#039;un registrar, et les donn\u00e9es [...]","protected":false},"author":1,"featured_media":0,"parent":30147,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_relevanssi_hide_post":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"class_list":["post-30159","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>WHOIS Lookup - FireStorm ISP<\/title>\n<meta name=\"description\" content=\"WHOIS Lookup : recherchez le propri\u00e9taire et les donn\u00e9es d&#039;enregistrement d&#039;un domaine. 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