CF1760253158579-tsm20251011193234

NSLIST.NET - civil.ist.utl.pt

Search for IP or hostnames:

civil.ist.utl.pt checked at 2025-10-12T07:12:38.561Z 5550ms 63/63/63 100% R:20

civil.ist.utl.pt

MXsmtp1.ist.utl.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.ist.utl.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.ist.utl.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

civil.ist.utl.pt is the parent of lj4-const.civil.ist.utl.pt, risco4.civil.ist.utl.pt, alunos.civil.ist.utl.pt, pcivil83.civil.ist.utl.pt, mat5.civil.ist.utl.pt and a few other host names.

civil.ist.utl.pt is served by three mail servers: smtp1.ist.utl.pt, smtp2.ist.utl.pt and smtp.ist.utl.pt.

civil.ist.utl.pt shares mail servers with other domains at least partially; for instance cfn.ist.utl.pt, soma.isr.ist.utl.pt, omni.isr.ist.utl.pt, mar.ist.utl.pt and math.ist.utl.pt.

these mail servers are commonly used alongside smtp.cfn.ist.utl.pt and smtp.ipfn.ist.utl.pt.

Host names with two IPs:

smtp1.ist.utl.pt points to 2001:690:2100:1::15 and 193.136.128.21

smtp2.ist.utl.pt points to 2001:690:2100:1::16 and 193.136.128.22

smtp.ist.utl.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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nlrusdO CF johedugfp 2025-10-12