What powers 
hms-stiftung.de?
Last seen Mar 2026 · 8 technologies across 6 categories
Font scripts
Hosting
IONOS
since Jan 2026
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2026
PWA
since Jan 2026
Programming languages
Web servers
Apache HTTP Server
since Jan 2026
AI Crawlers
Restricts 10 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 23 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
- Oct 2026 chatgpt-user: Restricted (was Allowed)
- Oct 2026 claude-searchbot: Restricted (was Allowed)
- Oct 2026 claude-user: Restricted (was Allowed)
- Oct 2026 perplexity-user: Restricted (was Allowed)
- Oct 2026 claudebot: Restricted (was Allowed)
- Oct 2026 oai-searchbot: Restricted (was Allowed)
AI Crawlers
10 of 33 AI crawlers restricted
Open Page Rank
4.59 / 10 · ranked #388,314 of all domains
91 referring domains · OpenPageRank
Infrastructure
- Hosted on IONOS (217.160.0.20, IPv6)
- DNS: IONOS
- Email: IONOS
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 9,915,816, 5 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted