u40hoccode.dev
u40hoccode.dev is a live English-language website hosted on Amazon.com, Inc. (AS16509) in the United States, served by Vercel. cl0q first saw it on 2026-10-11 and last crawled it on 2026-10-11. It resolves to 76.76.21.21 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:
U40 Học Code - Lập trình & Hệ điều hành
Chia sẻ kiến thức hệ điều hành, lập trình, C/C++, đa luồng, bộ nhớ, Linux/Windows. Học để hiểu bản chất, không chỉ chạy được code.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-10-11 |
| Last crawled | 2026-10-11 |
| IPv4 | 76.76.21.21 |
| Network | AS16509 Amazon.com, Inc. · California |
| Mail (MX) | eforward3.registrar-servers.com,eforward2.registrar-servers.com,eforward1.registrar-servers.com,eforward4.registrar-servers.com,eforward5.registrar-servers.com |
| Language | en |
| Server | Vercel |