CF1761713419342-tsm20251027103946

WWW.RTSAK.COM - smtpf5.forptr.21cn.com

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smtpf5.forptr.21cn.com checked at 2025-10-29T04:50:19.328Z 662ms 37/37/37 100% R:17

smtpf5.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

smtpf5.forptr.21cn.com is handled by a single mail server, mta-ent.21cn.com.

smtpf5.forptr.21cn.com has the same mail server setup as other domains, including max2-83.guangzhou.gd.cn, max2-110.guangzhou.gd.cn, ciiczp.com, hkhongri.com and kxlco.com.

smtpf5.forptr.21cn.com shares some mail servers with other domains, at least partially, such as konvekta.com.cn, shiyi-machinery.com, ty.chinatelecom.cn, gtl-asia.com and wayhouse.cn.

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

Host 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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spMYRBM CF johedugfp 2025-10-29