s520.cc

S520.cc

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 21, 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 yetClear

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 34 days ago); 3/3 transport and email checks available (oldest recorded about 34 days ago). This is evidence coverage, not a probability that a website is safe.

No MX and no DMARC (mild)

Site history

Dated record — historical facts always carry their date.

2003
Domain registered (Oct 11, 2003).
2026
Checked today — 1 of 2 safety checks passed (Sep 21, 2026).

✓ domain continuity 22 years registered✓ live verified Sep 21, 2026

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