CF1763572694063-tsm20251116095642

MXLIST.NET - mail-backup.pacbell.net

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mail-backup.pacbell.net checked at 2025-11-19T17:18:13.955Z 703ms 36/36/36 100% R:7 allDone:true timedOut:false

AI analysis

mail-backup.pacbell.net functions as a mail server for npg.sbcglobal.net.

nslabs04.npg.sbis.net is a mail server commonly used with mail-backup.pacbell.net.

mail-backup.pacbell.net resolves to two IP numbers: 144.160.244.102 and 144.160.244.103.

other host names including spooler1.sbcglobal.net, mail-backup1.pacbell.net, spooler2.sbcglobal.net, smtp-relay.swbell.net and alph729.prodigy.net share IP numbers with mail-backup.pacbell.net.

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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