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help.21cn.net checked at 2025-12-11T07:49:49.739Z 2206ms 29/29/29 100% R:12 allDone:true timedOut:false help.21cn.net
21cn.net
| MX | mta.21cn.com | ||||||
| NS | vip3.alidns.com | ||||||
| NS | vip4.alidns.com | ||||||
| A | 14.116.220.229🇨🇳 CHINANET-Guangdong-GuangZhou-IDC | ||||||
Starts with same word
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AI analysis
help.21cn.net is handled by a single mail server, mta.bnet.cn.
help.21cn.net uses the same mail server configuration as other domains, such as shanghaiziyou.com, pub.lyg.jsinfo.net, yz.jsinfo.net, pub.nj.jsinfo.net and jsmcb.com.
help.21cn.net shares mail servers with other domains at least in part, for instance ares-tech.com, honwell.net, yatao.com, canoe-logistics.com and gyyz.com.cn.
These mail servers are often used together with the mail servers bent-hw.21cn.net.