🌐 fb.co 400 🔒 SSL Valid
Checked: just now 🔗 Visit site
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
400
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 7d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
N/A
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 →
57.145.2.141
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 Processing...
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Screenshot is being captured...

🌐 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)57.145.2.141
AAAA (IPv6)2a03:2880:f381:8d:face:b00c::2
NSd.ns.facebook.comb.ns.facebook.coma.ns.facebook.comc.ns.facebook.com
TXT (1)
v=spf1 a ~all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarN/A
RegisteredN/A
ExpiresN/A
Last UpdatedN/A
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)*.facebook.com
IssuerDigiCert Inc
Valid From2026-07-27
Valid Until2026-10-25 (7 days left)
SANs (11)*.facebook.com*.facebook.net*.fbcdn.net*.fbsbx.com*.m.facebook.com*.messenger.com*.xx.fbcdn.net*.xy.fbcdn.net*.xz.fbcdn.netfacebook.commessenger.com
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status400
ServerN/A
Content-Typetext/html; charset="utf-8"
Final URLhttps://fb.co/
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 Address57.145.2.141
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 Missing
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TitleError
Languageen
📧 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 a ~all
DMARCNot set
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 15 active 3 for sale 5 available
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.com ●
.net ●
.org ●
.info Available
.io ●
.co current
.dev taken
.app ●
.me ●
.biz ●
.eu ●
.xyz Available
.fi ●
.se ●
.de ●
.uk taken
.fr taken
.nl ●
.es Available
.it Available
.us Available
.ca ●
.com.au ●
.co.uk ●
📡 Uptime Monitor
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Not checked yet — data will appear after the first monitoring run.