CF1760051450941-tsm20251009080619

NSLIST.NET - dem.ist.utl.pt

Search for IP or hostnames:

dem.ist.utl.pt checked at 2025-10-09T23:10:50.927Z 3417ms 63/63/63 100% R:23

dem.ist.utl.pt

MXsmtp1.tecnico.ulisboa.pt
A2001:690:2100:1::15 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRsmtp1.tecnico.ulisboa.pt
A193.136.128.21🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRsmtp1.tecnico.ulisboa.pt
MXsmtp2.tecnico.ulisboa.pt
A2001:690:2100:1::16 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRsmtp2.tecnico.ulisboa.pt
A193.136.128.22🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRsmtp2.tecnico.ulisboa.pt
MXsmtp.tecnico.ulisboa.pt
A2001:690:2100:1::25 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRsmtp.tecnico.ulisboa.pt
A193.136.128.20🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRsmtp.tecnico.ulisboa.pt

ist.utl.pt

NSns1.tecnico.ulisboa.pt
NSns2.tecnico.ulisboa.pt
MXsmtp1.tecnico.ulisboa.pt
MXsmtp2.tecnico.ulisboa.pt
MXsmtp.tecnico.ulisboa.pt
A2001:690:2100:1::c03a:216e 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
A193.136.128.169🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional

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AI analysis

dem.ist.utl.pt is a parent of in3.dem.ist.utl.pt, tcomb01.dem.ist.utl.pt, ns2.dem.ist.utl.pt, m33gcar.dem.ist.utl.pt and ns1.dem.ist.utl.pt, plus a few other host names.

Three mail servers handle dem.ist.utl.pt: smtp1.tecnico.ulisboa.pt, smtp2.tecnico.ulisboa.pt and smtp.tecnico.ulisboa.pt.

dem.ist.utl.pt shares at least some mail servers with other domains, for example math.tecnico.ulisboa.pt, fisica.ist.utl.pt, diferencial.ist.utl.pt, nfist.ist.utl.pt and smtp2.tecnico.ulisboa.pt.

These mail servers are often used together with the mail servers fenixedu3.ist.utl.pt.

Host names with two IP numbers:

smtp1.tecnico.ulisboa.pt: 2001:690:2100:1::15 and 193.136.128.21

smtp2.tecnico.ulisboa.pt: 2001:690:2100:1::16 and 193.136.128.22

smtp.tecnico.ulisboa.pt: 2001:690:2100:1::25 and 193.136.128.20

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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yWkleSL CF johedugfp 2025-10-09