CF1759471595235-tsm20251002182459

WWW.RTSAK.COM - centra.ist.utl.pt

Search for IP or hostnames:

centra.ist.utl.pt checked at 2025-10-03T06:06:35.206Z 1654ms 71/71/71 100% R:21

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

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

centra.ist.utl.pt resolves to a single IP address: 193.136.161.128.

centra.ist.utl.pt is handled by three mail servers: smtp1.tecnico.ulisboa.pt, smtp2.tecnico.ulisboa.pt and smtp.tecnico.ulisboa.pt.

The mail servers for centra.ist.utl.pt are shared with other domains, for instance 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 alongside the mail servers fenixedu3.ist.utl.pt.

Host names with two IP numbers:

smtp1.tecnico.ulisboa.pt points to: 2001:690:2100:1::15 and 193.136.128.21

smtp2.tecnico.ulisboa.pt points to: 2001:690:2100:1::16 and 193.136.128.22

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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sHrIiVg CF johedugfp 2025-10-03