What powers functional.computer?

Last seen Aug 2026 · 6 technologies across 4 categories

CDN

Cloudflare
since Jan 2026

Miscellaneous

HTTP/3
since Jan 2026
Open Graph
since Jan 2026
RSS
since Jan 2026

Security

HSTS
since Jan 2026

Web servers

Caddy
since Jan 2026

AI Crawlers

Blocks 32 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.

Training crawlers

  • AI2Bot Blocked
  • Applebot-Extended Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • cohere-training-data-crawler Blocked
  • Diffbot Blocked
  • FacebookBot Blocked
  • Google-CloudVertexBot Blocked
  • Google-Extended Blocked
  • GoogleOther Blocked
  • GPTBot Blocked
  • ImagesiftBot Blocked
  • img2dataset Blocked
  • meta-externalagent Blocked
  • PanguBot Blocked
  • SBIntuitionsBot Blocked
  • Webzio-Extended Blocked

Search and AI assistants

  • Amazonbot Blocked
  • Applebot Blocked
  • Claude-SearchBot Blocked
  • DuckAssistBot Blocked
  • OAI-SearchBot Blocked
  • PerplexityBot Blocked
  • PetalBot Blocked
  • YouBot Blocked

User-request fetchers

  • ChatGPT-User Blocked
  • Claude-User Blocked
  • GoogleAgent-Mariner Blocked
  • meta-externalfetcher Blocked
  • MistralAI-User Blocked
  • Perplexity-User Blocked

The other 1 AI crawler we track is not mentioned and stays allowed by default.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

32 of 33 AI crawlers blocked

Full breakdown

Open Page Rank

2.75 / 10 · ranked #2,085,134 of all domains

18 referring domains · OpenPageRank

Infrastructure

  • Hosted on SUNRISE (77.56.210.104)
  • DNS: Cloudflare DNS
  • Email: Fastmail
  • Email security: SPF (neutral), no DMARC record
  • Common Crawl link graph: rank 6,792,308, 3 hosts

DNS records as swept Sep 2026. How the web is hosted

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