What powers 
katz.ch?
Last seen Nov 2025 · 19 technologies across 13 categories
CMS
Databases
MySQL
since Sep 2024
Font scripts
Google Font API
since Sep 2024
JavaScript libraries
Maps
Google Maps
since Sep 2024
Miscellaneous
Open Graph
since Sep 2024
RSS
since Sep 2024
Performance
Priority Hints
since Sep 2024
Programming languages
PHP
since Sep 2024
UI frameworks
Web servers
Nginx
since Sep 2024
Webmail
Microsoft 365
since Sep 2024
Widgets
AddToAny
since Sep 2024
WordPress plugins
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.67 / 10 · ranked #779,730 of all domains
35 referring domains · OpenPageRank
Infrastructure
- Hosted on VTX-NETWORK (212.40.14.7)
- DNS: vtx.ch
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, MTA-STS, BIMI
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 11,196,268, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted