S520.cc is a Chinese-language educational website aimed at primary and secondary school students, covering topics such as homework help, exam preparation, school holidays, and university entrance (高考). The site is operated by Shanghai ChuanYu Network Tech Co., Ltd., based in Shanghai, China. Related domains in its network include other Chinese education and children's content sites.
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Authority
—/100
Safety
90/100
Registered
Oct 11, 2003
22 years old · Gname.com Pte. Ltd.
1 of 2 safety checks passed (Sep 10, 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
What AboutUs observed on the live site and in WHOIS/DNS today. These are measurements, not an endorsement of the site.
checked now
Domain registered Oct 11, 2003 — 22 years old.
checked now
Registrar today: Gname.com Pte. Ltd. — unchanged since AboutUs began tracking (Jul 31, 2026).
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 MX and no DMARC (mild)
Site history
Dated record — historical facts always carry their date.