CF1763669674926-tsm20251116095642

NSLIST.NET - mail.821.cn

Search for IP or hostnames:

mail.821.cn checked at 2025-11-20T20:14:34.862Z 606ms 37/37/37 100% R:11 allDone:true timedOut:false

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 uses the same mail server configuration as other domains, such as 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 often used together with the mail servers mxbiz2.qq.com.

mxbiz1.qq.com resolves to two IP numbers: 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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