CF1763972076222-tsm20251124080640

WWW.RTSAK.COM - dns.21cn.com

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dns.21cn.com checked at 2025-11-24T08:14:36.189Z 638ms 43/43/43 100% R:13 allDone:true timedOut:false

dns.21cn.com

MXmta-ent.21cn.com
A183.56.203.132🇨🇳 CHINANET-Guangdong-GuangZhouNanFangJiDiWang-IDC
A183.56.205.179🇨🇳 CHINANET-Guangdong-GuangZhouNanFangJiDiWang-IDC

21cn.com

MXmta.21cn.com
NSvip3.alidns.com
NSvip4.alidns.com
A240e:980:8100::72d9:250d 🇨🇳 CHINA-TELECOM
A114.217.37.13🇨🇳 CHINA-TELECOM
rank #7722 globally
rank #3959 in the tld

Starts with same word

Starts similarily

AI analysis

dns.21cn.com is served by a single mail server, mta-ent.21cn.com.

dns.21cn.com uses the same mail server setup as other domains such as finance.21cn.com, ppp74.zhuhai.gd.cn, wapmail.21cn.com, mta.yangjiang.gd.cn and ppp33.shantou.gd.cn.

dns.21cn.com shares some mail servers with other domains, including gd-gmf.com, nbxinlei.com, are-audio.com, k3k5.com and bviewcapital.com.

These mail servers are often used alongside the mail servers mailcdn.21cn.com.

Hostname mta-ent.21cn.com resolves to two IPs: 183.56.203.132 and 183.56.205.179.