What powers 
centrum45.nl?
Last seen Mar 2023 · 18 technologies across 13 categories
Analytics
CDN
cdnjs
since Sep 2022
Cloudflare
since Sep 2022
CMS
Mailjet
since Sep 2022
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Live chat
WhatsApp Business Chat
since Aug 2022
Miscellaneous
Open Graph
since Nov 2022
Programming languages
PHP
since Jan 2019
Security
HSTS
since Nov 2022
Tag managers
Google Tag Manager
since Sep 2022
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Sep 2022
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
3.90 / 10 · ranked #652,391 of all domains
38 referring domains · OpenPageRank
Organisation
- Foundation Centrum '45
- Founded: 1973
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Hosted on ASN-ROUTIT (213.247.120.178)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: GlobalSign, RSA 4096, expires Apr 2027
- Common Crawl link graph: rank 6,854,842, 4 hosts
- Verified with: GlobalSign, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.centrum45.nl | 12 |
| www.psychotraumadiagnostics.centrum45.nl | 12 |