What powers 
ocr-d.de?
Last seen Aug 2026 · 7 technologies across 7 categories
Caching
Varnish
since Jan 2023
CDN
Fastly
since Jan 2023
Font scripts
Font Awesome
since Jan 2023
JavaScript graphics
Miscellaneous
RSS
since Jan 2023
PaaS
GitHub Pages
since Jan 2023
Security
HSTS
since Jan 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.85 / 10 · ranked #691,375 of all domains
45 referring domains · OpenPageRank
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: gwdg.de
- Email: dfn.de
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 480,300, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted