llmstxtvalidator.dev
llmstxtvalidator.dev is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-10-23 and last crawled it on 2026-10-23. It resolves to 104.21.47.56 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:
LLMs.txt & ai.txt Validator - Free Online Checker for AI-Readable Files
Free online validator for llms.txt, llms-full.txt, and ai.txt files. Checks Spawning and aitxt.ing formats against spec in seconds — no signup.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-10-23 |
| Last crawled | 2026-10-23 |
| IPv4 | 104.21.47.56 |
| IPv6 | 2606:4700:3032::6815:2f38 |
| Network | AS13335 Cloudflare, Inc. · California |
| Mail (MX) | eforward1.registrar-servers.com,eforward2.registrar-servers.com,eforward3.registrar-servers.com,eforward4.registrar-servers.com,eforward5.registrar-servers.com |
| Language | en |
| Server | cloudflare |