404watcher.com
404watcher.com is a live English-language website hosted on Hetzner Online GmbH (AS24940) in Germany, served by Nginx. cl0q first saw it on 2026-08-01 and last crawled it on 2026-08-06. It resolves to 46.224.157.31 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Facebook Ads URL Checker - Stop Wasting Budget on 404 Errors | 404Watcher
404Watcher automatically checks every active Facebook Ad URL every hour. Get instant alerts when a landing page breaks - before your budget bleeds. Start for €3.70/mo with a free one-time audit.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-08-01 |
| Last crawled | 2026-08-06 |
| IPv4 | 46.224.157.31 |
| Network | AS24940 Hetzner Online GmbH · Germany |
| Mail (MX) | aspmx.l.google.com,alt1.aspmx.l.google.com,alt2.aspmx.l.google.com,alt4.aspmx.l.google.com,alt3.aspmx.l.google.com |
| Language | en |
| Server | nginx/1.24.0 (Ubuntu) |