CF1763173527114-tsm20251109205412

MXLIST.NET - mail-01.as4u.org

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mail-01.as4u.org checked at 2025-11-15T02:25:27.099Z 498ms 33/33/33 100% R:17 allDone:true timedOut:false

AI analysis

mail-01.as4u.org points to two IPs: 2a01:28:ca:72::100:230 and 88.86.100.230.

Other host names, for instance mail.mesto-frydlant.cz, mail.volenice.cz, mail.butterfly.cz, mail.tuareg.cz and mail.booking-system.eu share IP numbers with mail-01.as4u.org.

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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