aoshu.net

Aoshu.net

Aoshu.net is a Chinese-language mathematics education website focused on olympiad-style math (奥数), serving primary and junior secondary school students in China. The site offers math training resources, olympiad problem sets, and tutoring guidance. It is associated with a Beijing-based organization located in the Haidian District, a hub for education institutions near Peking University.

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Authority

—/100

Safety

89/100

Registered

Oct 16, 2002

23 years old · Xiamen ChinaSource Internet Service Co., Ltd

1 of 2 safety checks passed (Sep 13, 2026).

AboutUs has not vetted this site. 1 of 2 automated safety check did not pass. Everything below is what we could measure automatically. Anything you do on the site — paying, sharing personal details, downloading — is between you and the site, not AboutUs.

Current facts

Latest available measurements; dated entries retain their dates. These are measurements, not an endorsement of the site.

Authority & Safety, with the evidence

How this is scored →

Authority: not enough signals yetSome caution flags

Why we're not scoring this yet

We withhold an authority number until independent evidence (global rank, link-graph presence) has accrued. The facts we do have about this site are shown below — we'd rather say “not enough signals yet” than invent a low score.

Safety evidence

No unexpired threat-feed result; name-similarity check available (recorded about 26 days ago); 3/3 transport and email checks available (oldest recorded about 26 days ago). This is evidence coverage, not a probability that a website is safe.

Recorded HTTPS check did not confirm a valid connection
No MX and no DMARC (mild)

Site history

Dated record — historical facts always carry their date.

2002
Domain registered (Oct 16, 2002).
2026
Checked today — 1 of 2 safety checks passed (Sep 13, 2026).

✓ domain continuity 23 years registered✓ live verified Sep 13, 2026

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