CF1763895137985-tsm20251123014954

WWW.RTSAK.COM - smtp.tecnico.ulisboa.pt

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smtp.tecnico.ulisboa.pt checked at 2025-11-23T10:52:17.943Z 2051ms 39/39/39 100% R:20 allDone:true timedOut:false

smtp.tecnico.ulisboa.pt

A2001:690:2100:1::25 🇵🇹 RCCN
PTRsmtp.tecnico.ulisboa.pt
A193.136.128.20🇵🇹 RCCN
PTRsmtp.tecnico.ulisboa.pt

tecnico.ulisboa.pt

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AI analysis

smtp.tecnico.ulisboa.pt serves as the mail server for mlists.ist.utl.pt, tecnico.ulisboa.pt, big-proxy.dsi.tecnico.ulisboa.pt, helianto.ist.utl.pt, comsonante.org and a few other domains.

smtp1.tecnico.ulisboa.pt, smtp2.tecnico.ulisboa.pt and fenixedu3.ist.utl.pt commonly serve as mail servers alongside smtp.tecnico.ulisboa.pt.

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

Other host names share IP numbers with smtp.tecnico.ulisboa.pt; for instance 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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