CF1758126171113-tsm20250915222102

WWW.RTSAK.COM - dem.ist.utl.pt

Search for IP or hostnames:

dem.ist.utl.pt checked at 2025-09-17T16:22:51.072Z 2708ms 63/63/63 100% R:21

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, ns1.dem.ist.utl.pt and a few other host names.

dem.ist.utl.pt is handled by three mail servers: smtp1.tecnico.ulisboa.pt, smtp2.tecnico.ulisboa.pt and smtp.tecnico.ulisboa.pt.

dem.ist.utl.pt shares at least partially some mail servers with other domains, for instance 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 commonly used with fenixedu3.ist.utl.pt.

Host names with two IP numbers:

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

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

smtp.tecnico.ulisboa.pt points to 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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ltsmuhg CF johedugfp 2025-09-17