CF1759833005168-tsm20251005211530

IPLIST.NET - listsrv.etsit.upm.es

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listsrv.etsit.upm.es checked at 2025-10-07T10:30:05.141Z 1019ms 57/57/57 100% R:25

listsrv.etsit.upm.es

MXrelay.upm.es
A2001:720:41c:41:219:100:200:12 🇪🇸 RedIRIS/Red.es
PTRrelay.upm.es
A138.100.200.12🇪🇸 RedIRIS/Red.es
PTRrelay.upm.es
MXsmtp1.etsit.upm.es
A138.100.17.48🇪🇸 RedIRIS/Red.es
PTRsmtp1.etsit.upm.es
MXsmtp3.etsit.upm.es
A138.100.17.61🇪🇸 RedIRIS/Red.es
PTRsmtp3.etsit.upm.es
A138.100.18.220🇪🇸 RedIRIS/Red.es
PTRlistsrv.etsit.upm.es

etsit.upm.es

MXrelay.upm.es
NSgalileo.ccupm.upm.es
NSdir.etsit.upm.es
NSdns2.etsit.upm.es
NSdns.etsit.upm.es
MXsmtp1.etsit.upm.es
MXsmtp3.etsit.upm.es
A138.4.51.123🇪🇸 RedIRIS/Red.es

PTR for

Starts with same word

Starts similarily

AI analysis

listsrv.etsit.upm.es points to a single IP: 138.100.18.220.

listsrv.etsit.upm.es is handled by three mail servers: relay.upm.es, smtp1.etsit.upm.es and smtp3.etsit.upm.es.

listsrv.etsit.upm.es shares some mail servers with other domains, at least partially, such as sec.upm.es, australia.gtic.ssr.upm.es, isom.upm.es, gmr.ssr.upm.es and smtp.ies-def.upm.es.

These mail servers commonly appear with smtp.etsit.upm.es, mail.ies.upm.es, relay4.upm.es, mail.catedra-telefonicamovistar.etsit.upm.es, rly.upm.es, agata.etsit.upm.es, agata.gmr.ssr.upm.es, smtp.gio.etsit.upm.es, borneo.gtic.ssr.upm.es and isp1.etsit.upm.es.

Two IPs for a host:

relay.upm.es points to 2001:720:41c:41:219:100:200:12 and 138.100.200.12.

One IP per host:

smtp1.etsit.upm.es points to 138.100.17.48.

smtp3.etsit.upm.es points to 138.100.17.61.

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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goVKcil CF johedugfp 2025-10-07