What powers profcasimirschool.nl?
Last seen Jul 2026 · 10 technologies across 7 categories
CMS
DNN
since Aug 2022
Font scripts
Google Font API
since Aug 2022
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Security
HSTS
since May 2023
Web frameworks
Microsoft ASP.NET
since Aug 2022
Webmail
Apple iCloud Mail
since May 2023
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
1.49 / 10 · ranked #6,624,063 of all domains
4 referring domains · OpenPageRank
Infrastructure
- Hosted on PREVIDER-AS (84.241.168.25)
- DNS: introweb.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 61,133,759
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted