What powers 
mikerubel.org?
Last seen Feb 2024 · 2 technologies across 2 categories
Operating systems
Fedora
since Mar 2023
Web servers
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
4.58 / 10 · ranked #389,609 of all domains
101 referring domains · OpenPageRank
Infrastructure
- Hosted on CROWNCASTLE-AS46887 (131.239.110.42)
- DNS: DNS Made Easy
- Email: lebur.net
- Email security: SPF (hard fail), no DMARC record
- Common Crawl link graph: rank 523,190, 2 hosts
DNS records as swept Sep 2026. How the web is hosted