What powers 
net4gas.cz?
Last seen Feb 2025 · 16 technologies across 10 categories
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Mar 2024
PWA
since Mar 2024
Operating systems
Windows Server
since Aug 2022
Programming languages
Java
since Aug 2021
Security
HSTS
since Mar 2024
UI frameworks
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
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
- 100% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.70 / 10 · ranked #315,480 of all domains
96 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Organisation
- NET4GAS
- Founded: 2005
- Sector: transport via pipeline (NACE 49.5)
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (81.2.216.230)
- DNS: forpsi.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 1,213,403, 8 hosts
- Verified with: Apple Business, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| extranet.cams.net4gas.cz | 8 |
| v3s.net4gas.cz | 6 |
| www.net4gas.cz | 5 |
| extranet.net4gas.cz | 4 |