What powers optik-birlenbach.de?
Last seen Sep 2026 · 6 technologies across 6 categories
Analytics
Etracker
since Apr 2023
Caching
Hosting panels
Plesk
since Jun 2021
JavaScript libraries
Security
HSTS
since Feb 2024
Web servers
Apache HTTP Server
since Jun 2021
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
0.46 / 10 · ranked #28,670,898 of all domains
1 referring domains · OpenPageRank
Infrastructure
- Hosted on HOFMEIR-AS (185.115.24.238)
- DNS: Hetzner
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 26,041,040
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped PHP Sep 2026