What powers ivo-welch.info?
Last seen May 2026 · 11 technologies across 8 categories
CDN
jQuery CDN
since Aug 2024
jsDelivr
since Aug 2024
Font scripts
Google Font API
since Jul 2020
JavaScript libraries
Miscellaneous
Open Graph
since Apr 2026
RSS
since Aug 2024
Operating systems
Ubuntu
since Jul 2020
Security
HSTS
since Apr 2026
UI frameworks
Web servers
Nginx
since Jul 2020
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.40 / 10 · ranked #1,002,008 of all domains
39 referring domains · OpenPageRank
Infrastructure
- Hosted on UCLA (164.67.176.101)
- DNS: orderbox-dns.com
- Email: mailhostbox.com
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 161,813, 7 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cfr.ivo-welch.info | 9 |
| www.ivo-welch.info | 6 |
| book.ivo-welch.info | 2 |