CF1759604849067-tsm20251004101907

NSLIST.NET - ciist.ist.utl.pt

Search for IP or hostnames:

ciist.ist.utl.pt checked at 2025-10-04T19:07:29.054Z 2420ms 73/73/73 100% R:30

ciist.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
A2001:690:2100:1::a428:5015 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
A193.136.128.44🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRciist.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

PTR for

Starts similarily

AI analysis

ciist.ist.utl.pt resolves to two IPs: 2001:690:2100:1::a428:5015 and 193.136.128.44.

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

ciist.ist.utl.pt shares mail servers with other domains at least partially, including mlists.ist.utl.pt, tecnico.ulisboa.pt, big-proxy.dsi.tecnico.ulisboa.pt, helianto.ist.utl.pt and comsonante.org.

these mail servers are commonly used alongside fenixedu3.ist.utl.pt.

Host names with two IP numbers:

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

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

Host 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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UTYojPc CF johedugfp 2025-10-04