🌐 w3.fr 301 🔒 SSL Valid
Checked: just now 🔗 Visit site
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This domain forwards to w3c.fr (checked 0d ago)
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
301
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 172d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 835d
Hosting ?The company and location where this website's server is physically located.Read more →
Unknown
Security ?Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
0/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
217.70.184.55
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
N/A
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.

🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
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No technologies detected

📸 Screenshot
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Screenshot not available yet.

🌐 DNS Records ?DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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A (IPv4)217.70.184.55
NSns-138-c.gandi.netns-250-a.gandi.netns-48-b.gandi.net
MX10 spool.mail.gandi.net50 fb.mail.gandi.net
TXT (1)
v=spf1 include:_mailcust.gandi.net ?all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarGANDI
Registered2006-02-03
Expires2029-02-03 (in 835 days)
Last Updated2020-05-15
Statusserver renew prohibitedserver update prohibitedserver transfer prohibitedserver delete prohibitedserver recover prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)w3.fr
IssuerGandi SAS
Valid From2026-09-26
Valid Until2027-04-12 (172 days left)
SANs (1)w3.fr
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status301
ServerN/A
Content-TypeN/A
Final URLhttps://www.w3c.fr/
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address217.70.184.55
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score F (1/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
Sitemap Not found
🔗 Social & Meta Tags
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No meta tags detected.

📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPF✓ Present
v=spf1 include:_mailcust.gandi.net ?all
DMARCNot set
MX Records
10 → spool.mail.gandi.net
50 → fb.mail.gandi.net
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 14 active 4 for sale 5 available
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.com ●
.net taken
.org ●
.info Available
.io ●
.co taken
.dev ●
.app taken
.me Available
.biz ●
.eu ●
.xyz ●
.fi ●
.se ●
.de ●
.uk ●
.fr current
.nl ●
.es Available
.it Available
.us Available
.ca taken
.com.au ●
.co.uk ●
📡 Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.