What powers ctlgs.org?
Last seen Aug 2026 · 17 technologies across 9 categories
CDN
cdnjs
since Jul 2026
Cloudflare
since Jul 2026
Editors
JavaScript frameworks
Ember.js
since Jul 2026
JavaScript libraries
Message boards
Miscellaneous
Programming languages
Ruby
since Jul 2026
Web frameworks
Ruby on Rails
since Jul 2026
Web servers
Nginx
since Jul 2026
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Open Page Rank
0.23 / 10 · ranked #73,198,759 of all domains
0 referring domains · OpenPageRank
Infrastructure
- Hosted on Hetzner (138.201.18.12)
- DNS: Namecheap
- Email: Namecheap
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 51,435,666, 3 hosts
- Verified with: Brevo, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| forum.ctlgs.org | 10 |
| ctlgs.org | 7 |