What powers zenziwerken.de?
Last seen Aug 2026 · 13 technologies across 12 categories
Advertising
Google AdSense
since Jan 2019
Cookie compliance
Funding Choices
since Jun 2023
Font scripts
Google Font API
since Jan 2019
Hosting
Hetzner
since Aug 2022
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Operating systems
Debian
since Sep 2019
Programming languages
PHP
since Sep 2021
Security
Tag managers
Google Tag Manager
since Aug 2021
UI frameworks
Pure CSS
since Jan 2019
Web servers
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 petalbot added to robots.txt
AI Crawlers
1 of 33 AI crawlers blocked
Open Page Rank
1.71 / 10 · ranked #4,917,087 of all domains
11 referring domains · OpenPageRank
Infrastructure
- Hosted on Hetzner (167.235.8.107)
- DNS: first-ns.de
- Email: zenziwerken.de
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 16,726,296, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Jun 2026
- dropped Google Font API May 2026