What powers celestrak.com?
Last seen Aug 2022 · 8 technologies across 8 categories
JavaScript libraries
Miscellaneous
Popper
since Apr 2022
Operating systems
Windows Server
since Jun 2018
Payment processors
PayPal
since May 2022
Programming languages
UI frameworks
Web Servers
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- ClaudeBot Blocked
The other 32 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 checked
- ai.txt not checked
AI Crawlers
1 of 33 AI crawlers blocked
Open Page Rank
5.83 / 10 · ranked #124,943 of all domains
318 referring domains · OpenPageRank
Infrastructure
- Hosted on HOSTWINDS (104.168.149.178)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (hard fail), no DMARC record
- Common Crawl link graph: rank 441,344, 3 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| celestrak.com | 8 |
| www.celestrak.com | 8 |