b4os.dev
b4os.dev is a live Spanish-language website hosted on Amazon.com, Inc. (AS16509) in the United States, served by Netlify. cl0q first saw it on 2026-08-05 and last crawled it on 2026-10-11. It resolves to 75.2.60.5 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:
B4OS 2025 - Programa Gratuito de Formación Bitcoin para Desarrolladores Senior | Bitcoin 4 Open Source
Programa gratuito de formación técnica para desarrolladores senior interesados en el ecosistema open source de Bitcoin en América Latina, el Caribe y España. Únete a B4OS 2025.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-08-05 |
| Last crawled | 2026-10-11 |
| IPv4 | 75.2.60.5 |
| Network | AS16509 Amazon.com, Inc. · Washington |
| Mail (MX) | aspmx.l.google.com,alt2.aspmx.l.google.com,alt1.aspmx.l.google.com,alt4.aspmx.l.google.com,alt3.aspmx.l.google.com |
| Language | es |
| Server | Netlify |