What powers 
kasteeldoornenburg.nl?
Last seen Sep 2026 · 38 technologies across 16 categories
Analytics
CDN
CMS
Databases
Font scripts
IaaS
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
Webmail
WordPress plugins
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
- 88% phone
- 12% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.18 / 10 · ranked #466,312 of all domains
70 referring domains · OpenPageRank
Core Web Vitals
| LCP | 7.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 3700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 8.5 MB · 116 requests
- WordPress theme: whitehall (child: whitehall-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Kasteel Doornenburg (Doornenburg Castle on Wikidata)
- Founded: 1400
- Country: Netherlands
- Profiles: Facebook, X, LinkedIn, Instagram
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on VXBITS VXbits Network (185.69.103.15)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P384, expires Dec 2026
- Common Crawl link graph: rank 1,064,000, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.kasteeldoornenburg.nl | 31 |
| tickets.kasteeldoornenburg.nl | 13 |
Full technology history →
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Recent changes
- dropped Varnish Jun 2026
- detected LiteSpeed May 2026
- detected Twitter Emoji (Twemoji) May 2026
- detected Cloudflare Bot Management Apr 2026
- detected Cloudflare Browser Insights Mar 2026
- dropped Cloudflare Bot Management Dec 2025