What powers 
buch-der-synergie.de?
Last seen Aug 2026 · 4 technologies across 4 categories
CDN
Google Hosted Libraries
since Feb 2022
JavaScript libraries
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Feb 2019
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
Open Page Rank
3.55 / 10 · ranked #846,158 of all domains
80 referring domains · OpenPageRank
Infrastructure
- Hosted on EVANZOAS (178.254.0.104)
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 698,998, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped Google Analytics May 2026