CF1763706935731-tsm20251116095642

MXLIST.NET - mail.builder.cz

Search for IP or hostnames:

mail.builder.cz checked at 2025-11-21T06:35:35.714Z 205ms 28/28/28 100% R:12 allDone:true timedOut:false

mail.builder.cz

A81.91.84.134🇨🇿 WEB4U
PTRm105.server4u.cz

builder.cz

MXmail.builder.cz
NSns2.web4u.cz
NSns.web4u.cz
A81.91.84.189🇨🇿 WEB4U

MX for

Starts with same word

Starts similarily

AI analysis

mail.builder.cz handles mail for builder.cz.

mail.builder.cz points to a single IP address: 81.91.84.134.

Other host names such as mail.e-metropol.eu, mail.registr-firem.eu, mail.tydeniky.cz, mail.slamova.eu and mail.galeriepodzamkem.cz share IPs with mail.builder.cz.

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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