CF1761716502727-tsm20251027103946

WWW.RTSAK.COM - smtpf4.forptr.21cn.com

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smtpf4.forptr.21cn.com checked at 2025-10-29T05:41:42.697Z 363ms 37/37/37 100% R:13

smtpf4.forptr.21cn.com

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

forptr.21cn.com

MXmta-ent.21cn.com

AI analysis

The mail server for smtpf4.forptr.21cn.com is mta-ent.21cn.com.

smtpf4.forptr.21cn.com uses the same mail server setup as other domains, for instance ums.dgnet.gd.cn, sunway.com.cn, max2-104.guangzhou.gd.cn, gz-ts-2.guangzhou.gd.cn and bosswave.cn.

smtpf4.forptr.21cn.com shares at least some mail servers with other domains, for example josen.com.cn, mayen-mart.com, wbseal.com, true-magic.net and sakirana.com.

these mail servers are frequently 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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aMRrlrt CF johedugfp 2025-10-29