CF1762378720673-tsm20251105200708

MXLIST.NET - mail.csd21.com

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mail.csd21.com checked at 2025-11-05T21:38:40.596Z 280ms 28/28/28 100% R:11

mail.csd21.com

A140.227.244.225🇯🇵 InfoSphere
PTRcsd21.com

csd21.com

MXmail.csd21.com
NSasns1.customer.ne.jp
NSasns2.customer.ne.jp
A140.227.244.225🇯🇵 InfoSphere

MX for

Starts with same word

Starts similarily

AI analysis

mail.csd21.com serves as the mail server for csd21.com.

mail.csd21.com resolves to a single IP: 140.227.244.225.

Other host names share IP numbers with mail.csd21.com; for instance csd21.com.

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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