derivation.org
derivation.org is a live website hosted on Technische Universitat Wien (AS679) in Austria, served by Apache. cl0q first saw it on 2026-07-28 and last crawled it on 2026-08-03. It resolves to 128.130.95.23 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:
derivation.org
Logic and Proof Theory
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-07-28 |
| Last crawled | 2026-08-03 |
| IPv4 | 128.130.95.23 |
| IPv6 | 2001:629:3200:95::1:23 |
| Network | AS679 Technische Universitat Wien · Austria |
| Mail (MX) | pr1.fsinf.at |
| Server | Apache/2.4.68 (Debian) |