What powers pentagen.cz?
Last seen Sep 2026 · 13 technologies across 8 categories
Analytics
Google Analytics
since Jun 2024
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Apr 2024
Security
HSTS
since Jan 2023
Web frameworks
Webmail
Microsoft 365
since Jan 2023
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Open Page Rank
2.54 / 10 · ranked #2,427,467 of all domains
13 referring domains · OpenPageRank
Page
- Language: Czech
- Weight: 1.9 MB · 91 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WEDOS (89.221.215.6, IPv6)
- DNS: forpsi.cz
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- Common Crawl link graph: rank 31,838,614, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Aug 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache HTTP Server Mar 2026
- detected HTTP/3 Feb 2026