What powers 
hubzero.org?
Last seen Jul 2026 · 8 technologies across 5 categories
Analytics
JavaScript frameworks
JavaScript libraries
Security
HSTS
since Mar 2026
Web servers
Apache HTTP Server
since Apr 2022
AI Crawlers
Blocks 14 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
The other 19 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
14 of 33 AI crawlers blocked
Open Page Rank
4.35 / 10 · ranked #425,999 of all domains
75 referring domains · OpenPageRank
Organisation
- HUBZero
From Wikidata (CC0).
Infrastructure
- Hosted on PURDUE-RESEARCH (128.211.145.200)
- DNS: purdue.edu
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,363,563, 9 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| hubzero.org | 7 |
| help.hubzero.org | 6 |