What powers 
fsd-koeln.de?
Last seen Sep 2026 · 6 technologies across 5 categories
Analytics
Matomo Analytics
since Jan 2024
JavaScript libraries
Miscellaneous
HTTP/3
since Jul 2024
Security
HSTS
since Jul 2025
Webmail
Microsoft 365
since Jan 2024
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 80% phone
- 20% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.54 / 10 · ranked #851,059 of all domains
40 referring domains · OpenPageRank
Page
- Language: German
- Weight: 0.7 MB · 56 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on BOREUS (208.82.73.21)
- DNS: netcologne.de
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 16,660,991
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted