CF1761919972264-tsm20251029173950

DNSWHOIS.INFO - smtp-ent-a.21cn.com

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smtp-ent-a.21cn.com checked at 2025-10-31T14:12:52.223Z 490ms 43/43/43 100% R:11

smtp-ent-a.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

AI analysis

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

smtp-ent-a.21cn.com uses the same mail server setup as other domains such as tlhxt.guangzhou.gd.cn, chungkin.com, max3-252.guangzhou.gd.cn, max3-35.guangzhou.gd.cn and max2-8.guangzhou.gd.cn.

smtp-ent-a.21cn.com shares some mail servers with other domains, including pub.qingyuan.gd.cn, dxkp.com, rs-cx.com, szscreen.com and corp.21cn.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.

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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gcNZzAH CF johedugfp 2025-10-31