What powers mathe-treff.de?
Last seen Aug 2026 · 5 technologies across 5 categories
Editors
Hosting
Strato
since Aug 2022
Hosting panels
Plesk
since Aug 2022
Security
HSTS
since Jul 2023
Web servers
Apache HTTP Server
since Aug 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
All crawlers blocked
Open Page Rank
1.90 / 10 · ranked #3,859,198 of all domains
10 referring domains · OpenPageRank
Infrastructure
- Hosted on Hetzner (167.235.121.127, IPv6)
- DNS: Hetzner
- Email: Hetzner
- Email security: SPF (neutral), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,663,015, 14 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| otw2023.mathe-treff.de | 5 |
| otw2022.mathe-treff.de | 4 |
| otw2026.mathe-treff.de | 1 |