csdn.net

Csdn.net

CSDN.net is China's largest developer network providing comprehensive information services and technical support for developers and related enterprises, offering industry news, technical articles, discussion communities, and software downloads.

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Authority

99/100

Safety

90/100

Registered

Mar 11, 1999

27 years old · Alibaba Cloud Computing (Beijing) Co., Ltd.

On record

since 2006

2 of 5 safety checks passed (Sep 5, 2026).

AboutUs has not vetted this site. 3 of 5 automated safety checks 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 Mar 11, 1999 — 27 years old.

checked now

Registrar today: Alibaba Cloud Computing (Beijing) Co., Ltd. — unchanged since AboutUs began tracking (Jul 22, 2026).

Trust record

Authority & Safety, with the evidence

How this is scored →

Authority 99/100 — in the top 1% of scored sitesClear

Why this authority score

Prominence (Tranco rank #2,588; Open PageRank 4.2/10)+15
Verified continuity: 27.5 years (RDAP registration)+11
Security & email hygiene+4
Prominence × continuity interaction+1
Calibration adjustment (published map)+24

Every point maps to a sentence. These lines sum to the model score of 55/99, which is what places this site at 99/100 against every other scored site.

Safety evidence

All checked sources came back clean

Site history

Dated record — historical facts always carry their date.

1999
Domain registered (Mar 11, 1999).
2006
First tracked by AboutUs (Jun 19, 2006); profile edited 3 times through 2013.
2026
Checked today — 2 of 5 safety checks passed (Sep 5, 2026).

✓ domain continuity 27 years registered✓ live verified Sep 5, 2026

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