CF1759892810504-tsm20251005211530

WWW.ROBTEX.COM - webmaster.21cn.com

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webmaster.21cn.com checked at 2025-10-08T03:06:50.467Z 287ms 55/55/55 100% R:14

webmaster.21cn.com

MXmta-ent.21cn.com
A183.56.203.132🇨🇳 CHINANET-Guangzhou-Southbase-IDC
A183.56.205.179🇨🇳 CHINANET-Guangzhou-Southbase-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

webmaster.21cn.com is handled by a single mail server, mta-ent.21cn.com.

webmaster.21cn.com shares the same mail server setup as other domains, for instance ppp10.zhuhai.gd.cn, max2-79.guangzhou.gd.cn, fh-mx.com, ppp59.zhuhai.gd.cn and max2-137.guangzhou.gd.cn.

webmaster.21cn.com shares some mail servers with other domains, at least partially, for instance yibeiwj.com, kiukiang.com, chinatelecom-h.com, mdep.com.cn and pullman-taiyuan.com.

these mail servers are commonly used with the mail servers mailcdn.21cn.com.

mta-ent.21cn.com resolves to two IP numbers: 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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znudryL CF johedugfp 2025-10-08