CF1762233778491-tsm20251102073205

IPLIST.NET - mail.821.cn

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mail.821.cn checked at 2025-11-04T05:22:58.464Z 1453ms 37/37/37 100% R:15

mail.821.cn

MXmxbiz1.qq.com
A103.86.78.2🇭🇰 HUTCHISON-AS-AP
A103.86.78.3🇭🇰 HUTCHISON-AS-AP

821.cn

NSns1.cnolnic.com
NSns2.cnolnic.com
MXmxbiz1.qq.com
MXmxbiz2.qq.com

Starts with same word

Starts similarily

AI analysis

mail.821.cn is handled by a single mail server, mxbiz1.qq.com.

mail.821.cn shares the same mail server setup as other domains, including vs3.cn, jszxyt.com, dandantang.com, yoyi.me and taiweil.com.

mail.821.cn shares mail servers with other domains at least in part, for instance tshe.me, ycxs.net, ipswen.org, yuninfo.com and ayclif.com.

these mail servers are commonly used alongside the mail servers mxbiz2.qq.com.

Host name mxbiz1.qq.com points to IPs 103.86.78.2 and 103.86.78.3.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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PdqCNDI CF johedugfp 2025-11-04