What powers openkat.nl?
Last seen Sep 2026 · 6 technologies across 6 categories
Caching
Varnish
since Sep 2026
CDN
Fastly
since Sep 2026
JavaScript libraries
PaaS
GitHub Pages
since Sep 2026
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Sep 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Blocked (was Allowed)
AI Crawlers
All crawlers blocked
Open Page Rank
3.07 / 10 · ranked #1,471,977 of all domains
16 referring domains · OpenPageRank
Infrastructure
- Hosted on PROLOCATION Prolocation (62.204.64.191, IPv6)
- DNS: rijksoverheidnl.com
- Email: prolocation.nl
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,113,276, 3 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| docs.openkat.nl | 5 |
| openkat.nl | 5 |