What powers 
irbnet.de?
Last seen Jul 2018 · 3 technologies across 2 categories
JavaScript Frameworks
Web Servers
Apache HTTP Server
since Jun 2018
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
6.37 / 10 · ranked #84,232 of all domains
382 referring domains · OpenPageRank
Infrastructure
- Hosted on FRAUNHOFER-CLUSTER-BW Research Institutes spread all over Germany (129.233.84.2)
- DNS: fraunhofer.de
- Email: no MX record returned
- SSL: HARICA, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 535,971, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted