What powers ifb-potsdam.de?
Last seen Sep 2026 · 7 technologies across 6 categories
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
Security
HSTS
since Nov 2022
Web servers
Nginx
since Nov 2022
Webmail
Microsoft 365
since Nov 2022
Widgets
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- GPTBot Blocked
- meta-externalagent Blocked
- ClaudeBot Allowed
The other 29 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
3 of 33 AI crawlers blocked
Standards: llms.txt
Open Page Rank
3.36 / 10 · ranked #1,053,750 of all domains
39 referring domains · OpenPageRank
Page
- Language: German
- Weight: 2.0 MB · 51 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (144.76.55.199, IPv6)
- Email: no MX record returned, SPF names IONOS
- Email security: SPF (hard fail)
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 12,924,809, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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