CF1760367724106-tsm20251012143351

NSLIST.NET - centra.ist.utl.pt

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centra.ist.utl.pt checked at 2025-10-13T15:02:04.067Z 3237ms 71/71/71 100% R:22

centra.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
A193.136.161.128🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRcentra.ist.utl.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

The parent of subetha.centra.ist.utl.pt is centra.ist.utl.pt.

centra.ist.utl.pt points to IP number: 193.136.161.128.

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

centra.ist.utl.pt shares at least partially some mail servers with other domains, including 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 together with fenixedu3.ist.utl.pt.

Host smtp1.tecnico.ulisboa.pt points to 2001:690:2100:1::15 and 193.136.128.21; Host smtp2.tecnico.ulisboa.pt points to 2001:690:2100:1::16 and 193.136.128.22; Host 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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utIJiTR CF johedugfp 2025-10-13