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DNS Lookup

22.cn

22.cn 275 ms

A Records (IPv4)

122.228.19.36

MX Records (Mail)

5 mxbiz1.qq.com

10 mxbiz2.qq.com

NS Records (Nameservers)

dns1.everdns.com

dns2.everdns.com

TXT Records

v=spf1 ip4:210.72.13.11 ip4:43.231.160.57 include:spf.mail.qq.com -all

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Other reports for 22.cn

Security Headers

CSP, HSTS, X-Frame-Options grade for this site

SSL Certificate Checker

Inspect certificate validity, expiry, cipher suite, and chain — supports SNI.

Redirect Checker

Trace the full HTTP redirect chain, flag loops, and surface mixed-content downgrades.

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