headerpeek.com
headerpeek.com is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-09-16 and last crawled it on 2026-09-16. It resolves to 104.21.9.231. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
HeaderPeek — HTTP Header and Status Checker
Inspect HTTP response headers and status codes for any public HTTP or HTTPS URL with HeaderPeek.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-09-16 |
| Last crawled | 2026-09-16 |
| IPv4 | 104.21.9.231 |
| IPv6 | 2606:4700:3037::6815:9e7 |
| Network | AS13335 Cloudflare, Inc. · California |
| Language | en |
| Server | cloudflare |