mathsir.cc
mathsir.cc is a live Chinese-language website hosted on Tianfeng (Hong Kong) Communications Limited (AS213802) in the United States, served by Nginx. cl0q first saw it on 2026-08-07 and last crawled it on 2026-08-07. It resolves to 128.241.254.126 and has mail (MX) records set up.
How the site describes itself:
Resume - Colin Chan (mathsir) | Math tutor for senior high school students from Hong Kong
Professional math tutor for senior high school students from Hong Kong, offering personalized instruction in HKDSE, IB, AP Calculus, and IGCSE curricula with over a decade of teaching experience.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-08-07 |
| Last crawled | 2026-08-07 |
| IPv4 | 128.241.254.126 |
| Network | AS213802 Tianfeng (Hong Kong) Communications Limited · United States |
| Mail (MX) | mailforward101.cloudns.net,mailforward102.cloudns.net |
| Language | zh-hk |
| Server | nginx |
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