What powers dumknihy.cz?
Last seen Feb 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Jun 2018
Font scripts
Cufon
since Jun 2018
JavaScript Frameworks
JavaScript libraries
Maps
Google Maps
since Jun 2018
Programming languages
PHP
since Sep 2021
Tag Managers
Google Tag Manager
since Aug 2017
Web Servers
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
3.89 / 10 · ranked #661,574 of all domains
48 referring domains · OpenPageRank
Infrastructure
- Hosted on WEB4U (81.91.86.14)
- DNS: web4u.cz
- Email: MailChannels
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Sectigo, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,174,889
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted