What powers planetarium.cz?
Last seen Jan 2020 · 13 technologies across 10 categories
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font Scripts
Google Font API
since Jul 2019
JavaScript Libraries
Programming Languages
Reverse Proxy
Nginx
since Jan 2019
SEO
Web Frameworks
Nette Framework
since Jul 2019
Web Servers
OpenResty
since Jan 2019
Widgets
Facebook
since Jul 2019
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
3.98 / 10 · ranked #586,143 of all domains
68 referring domains · OpenPageRank
Infrastructure
- Hosted on WEB4U (81.91.93.60)
- DNS: web4u.cz
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 1,202,094, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted