🌐 stackoverflow.co.uk 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
✨ About this site
This is the United Kingdom-localized web presence for a globally prominent online community platform dedicated to computer programmers and software developers. It serves millions of technical professionals and hobbyists seeking and sharing programming knowledge. The platform is widely recognized, heavily trafficked, and deeply established within the global software engineering industry.
📊 What the data says
This domain was registered in 2008 and is approximately 18 years old. The website is currently responding with an HTTP 200 status code, and its SSL certificate is valid until March 1, 2027.
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 128d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 165d
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 →
13.248.213.45
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
⚡ 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)13.248.213.4576.223.67.189
NSns35.domaincontrol.comns36.domaincontrol.com
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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Registrar123-Reg Limited t/a 123-reg
Registered2008-04-07
Expires2027-04-07 (in 165 days)
Last Updated2026-04-08
Statusactive
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)stackoverflow.co.uk
IssuerGoDaddy.com
Valid From2026-08-15
Valid Until2027-03-01 (128 days left)
SANs (1)stackoverflow.co.uk
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
ServerN/A
Content-Typetext/html
Final URLhttps://stackoverflow.co.uk/
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 Address13.248.213.45
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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Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
No paths are disallowed — everything is crawlable.
Sitemap Not found
🔗 Social & Meta Tags Missing
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📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPFNot set
DMARCNot set
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 11 active 4 for sale 8 available
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.com ●
.net taken
.org ●
.info Available
.io ●
.co ●
.dev taken
.app Available
.me Available
.biz Available
.eu ●
.xyz Available
.fi Available
.se taken
.de ●
.uk ●
.fr ●
.nl ●
.es ●
.it taken
.us Available
.ca ●
.com.au Available
.co.uk current
📡 Uptime Monitor
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Current Status 🟢 Online
HTTP Status 200
Response Time 93ms
Last Checked 2026-10-22 11:30:39.928828
Uptime (30d) 100%