CF1760469311421-tsm20251014171359

MXLIST.NET - smtp.ist.utl.pt

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smtp.ist.utl.pt checked at 2025-10-14T19:15:11.404Z 542ms 39/39/39 100% R:18

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

MX for

Starts with same word

Starts similarily

AI analysis

smtp.ist.utl.pt serves mail for 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 other domains.

smtp1.ist.utl.pt, smtp2.ist.utl.pt and smtp.cfn.ist.utl.pt are commonly used as mail servers alongside smtp.ist.utl.pt.

smtp.ist.utl.pt resolves to two IP numbers: 2001:690:2100:1::25 and 193.136.128.20.

Other host names, for instance 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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