CF1757801143492-tsm20250912070358

IPLIST.NET - smtp.ist.utl.pt

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smtp.ist.utl.pt checked at 2025-09-13T22:05:43.475Z 301ms 39/39/39 100% R:15

smtp.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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Starts with same word

Starts similarily

AI analysis

The domains cfn.ist.utl.pt, soma.isr.ist.utl.pt, civil.ist.utl.pt, omni.isr.ist.utl.pt, mar.ist.utl.pt, and a few others use smtp.ist.utl.pt as their mail server.

The common mail server setup involves smtp1.ist.utl.pt, smtp2.ist.utl.pt, smtp.cfn.ist.utl.pt, and smtp.ist.utl.pt.

smtp.ist.utl.pt is configured to point to two IP addresses: 2001:690:2100:1::25 and 193.136.128.20.

For instance, other host names such as smtp.tecnico.ulisboa.pt share IP numbers with smtp.ist.utl.pt.

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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yMjyBTN CF johedugfp 2025-09-13