What powers 
nazca4u.nl?
Last seen Aug 2026 · 13 technologies across 9 categories
JavaScript frameworks
JavaScript libraries
Miscellaneous
PWA
since Feb 2024
Operating systems
Windows Server
since Jan 2023
Security
HSTS
since Jan 2023
UI frameworks
MUI
since Feb 2024
Web frameworks
Web servers
Webmail
Microsoft 365
since Jan 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.18 / 10 · ranked #465,888 of all domains
59 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on UNISERVER-AS (87.237.96.40, IPv6)
- DNS: hostnet.nl
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Sectigo, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 11,710,333, 25 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| eindhoven.nazca4u.nl | 9 |
| odnhn.nazca4u.nl | 9 |
| overijssel.nazca4u.nl | 9 |
| ozhz.nazca4u.nl | 9 |
| utrecht.nazca4u.nl | 9 |
| zeeland.nazca4u.nl | 9 |
| felikatleden.nazca4u.nl | 8 |