What powers 
whirlwind.nl?
Last seen Sep 2024 · 16 technologies across 12 categories
Analytics
Google Analytics
since Feb 2019
Authentication
Facebook Login
since Aug 2022
CDN
Amazon SES
since Aug 2022
Font scripts
Google Font API
since Feb 2019
Hosting panels
Plesk
since Feb 2019
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
PaaS
Amazon Web Services
since Aug 2022
Programming languages
PHP
since Aug 2022
Web servers
Nginx
since Feb 2019
Webmail
Microsoft 365
since Aug 2022
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
Open Page Rank
4.06 / 10 · ranked #527,171 of all domains
25 referring domains · OpenPageRank
Infrastructure
- Hosted on GLOBAL-E (46.17.9.84)
- DNS: whirlwind.nl
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 12,028,256, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted