Domain · Tranco #6,410
core.ac.uk
core.ac.uk is ranked #6,410 among the world's most-visited sites (Tranco). It resolves to 172.67.191.205, hosted on cloudflare, and presents a TLS certificate issued by Google Trust Services.
HTTP 200| Tranco rank | #6,410 |
|---|---|
| IPv4 | 172.67.191.205, 104.21.20.56 |
| IPv6 | 2606:4700:3033::ac43:bfcd, 2606:4700:3035::6815:1438 |
| Hosting / reverse DNS | cloudflare |
| Nameservers | john.ns.cloudflare.com, romina.ns.cloudflare.com |
| Mail servers (MX) | core-ac-uk.mail.protection.outlook.com (0) |
| HTTP status | 200 |
| Web server | cloudflare |
| Page title | The world’s largest collection of open access research papers |
| Detected tech | cloudflare, Next.js, Cloudflare |
| TLS certificate | Google Trust Services · expires 2026-10-21 |
Linked company
This domain's name matches a legal entity in our directory:
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FAQ
What is the IP address of core.ac.uk?
core.ac.uk resolves to 172.67.191.205, 104.21.20.56 (cloudflare).
Who issued the SSL certificate for core.ac.uk?
The TLS/SSL certificate for core.ac.uk was issued by Google Trust Services, valid until 2026-10-21.
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Start free on Mewayz →DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains