🌐 1c.co.uk 526 🔒 SSL Valid
Checked: (cached 2026-10-23 20:47:46) ↻ Refresh 🔗 Visit site
✨ AI Description
This website appears to be a domain intelligence and monitoring service focused on diagnosing and reporting connectivity and security issues for domains, such as SSL certificate problems. Based on the “invalid SSL certificate” indication and Cloudflare usage, it likely helps users identify misconfigurations and assess domain availability and trust signals.
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
526
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 73d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 194d
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 →
1/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.21.21.135
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. 1
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🌐 CDN
Cloudflare
📸 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)172.67.199.21104.21.21.135
AAAA (IPv6)2606:4700:3034::ac43:c7152606:4700:3037::6815:1587
NSbrad.ns.cloudflare.comsandy.ns.cloudflare.com
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarNew Reg Limited
Registered1997-05-06
Expires2027-05-06 (in 194 days)
Last Updated2025-05-05
Statusactive
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)1c.co.uk
IssuerGoogle Trust Services
Valid From2026-10-07
Valid Until2027-01-05 (73 days left)
SANs (2)1c.co.uk*.1c.co.uk
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status526
Servercloudflare
Content-Typetext/plain; charset=UTF-8
Final URLhttps://1c.co.uk/
x-frame-optionsSAMEORIGIN
referrer-policysame-origin
cache-controlprivate, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
cf-raya4f39947d8ec2076-IAD
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 Address104.21.21.135
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score D (3/7)
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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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Title1c.co.uk | 526: Invalid SSL certificate
Languageen-US
📧 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. 13 active 5 for sale 5 available
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.com ●
.net taken
.org ●
.info Available
.io ●
.co ●
.dev taken
.app ●
.me Available
.biz ●
.eu ●
.xyz taken
.fi taken
.se ●
.de ●
.uk ●
.fr ●
.nl taken
.es Available
.it Available
.us Available
.ca ●
.com.au ●
.co.uk current
📡 Uptime Monitor
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Current Status 🟢 Server Error
HTTP Status 526
Response Time 249ms
Last Checked 2026-10-23 21:30:44.313527
Uptime (30d) 100%