What powers bits21.de?
Last seen Apr 2026 · 7 technologies across 6 categories
Analytics
Matomo Analytics
since Oct 2023
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2023
Popper
since Oct 2023
UI frameworks
Web servers
Apache HTTP Server
since Oct 2023
Webmail
Microsoft 365
since Oct 2023
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.11 / 10 · ranked #498,527 of all domains
47 referring domains · OpenPageRank
Infrastructure
- Hosted on SINMA-ASN (83.223.88.41)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 9,465,630, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted