What powers 
classless.org?
Last seen Aug 2020 · 11 technologies across 10 categories
Analytics
Google Analytics
since Jul 2020
Blogs
Databases
MySQL
since Jul 2020
JavaScript libraries
Miscellaneous
Twitter Emoji (Twemoji)
since Jul 2020
Operating systems
Debian
since Jul 2020
Payment processors
PayPal
since Jul 2020
Programming languages
PHP
since Jul 2020
Video players
YouTube
since Jul 2020
Web servers
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.15 / 10 · ranked #479,285 of all domains
90 referring domains · OpenPageRank
Infrastructure
- Registered Jan 2006 (20 years) via http.net Internet GmbH, renews Jan 2027
- Hosted on NETWORKTOWN-AS Alexej Senderkin (217.115.11.134)
- DNS: askja.de
- Email: askja.de
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,146,664, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted