What powers kirchhoff.de?
Last seen Aug 2026 · 9 technologies across 7 categories
CMS
Miscellaneous
PaaS
Programming languages
Web servers
Webmail
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
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.08 / 10 · ranked #517,605 of all domains
65 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 5.2 MB · 14 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on OPTITRUST (185.64.113.77)
- DNS: udag.de
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 6,951,758, 5 hosts
- Verified with: Apple Business, Atlassian
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted