datafield.dev
datafield.dev is a live English-language website hosted on IONOS SE (AS8560) in the United States, served by IIS. cl0q first saw it on 2026-08-18 and last crawled it on 2026-08-18. It resolves to 74.208.229.92 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Free Online Textbooks — DataField.Dev | 82 Open-Access Books
Free, full-length open-access textbooks across computer science, AI, data and analytics, mathematics, physics, chemistry, psychology, history, economics, and civics. Exhaustive, college-level, and always free — no sign-up required.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-08-18 |
| Last crawled | 2026-08-18 |
| IPv4 | 74.208.229.92 |
| Network | AS8560 IONOS SE · United States |
| Mail (MX) | mx01.ionos.com,mx00.ionos.com |
| Language | en |
| Server | Microsoft-IIS/10.0 |