What powers 
ds9a.nl?
Last seen Jan 2020 · 4 technologies across 4 categories
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt, restricts 2 more. Checked Sep 2026.
Training crawlers
- GPTBot Blocked
- meta-externalagent Blocked
- ClaudeBot Restricted
Search and AI assistants
- Amazonbot Restricted
The other 29 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
2 of 33 AI crawlers blocked
Open Page Rank
5.89 / 10 · ranked #117,914 of all domains
128 referring domains · OpenPageRank
Infrastructure
- Hosted on KPN KPN National (86.82.68.237)
- Email: no MX record returned
- Email security: SPF (hard fail), CAA
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 156,877, 7 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted