CF1758083117630-tsm20250915222102

WWW.RTSAK.COM - ist.utl.pt

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ist.utl.pt checked at 2025-09-17T04:25:17.590Z 2817ms 110/110/110 100% R:29

ist.utl.pt

NSns1.tecnico.ulisboa.pt
A2001:690:2100:1::53:1 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns1.tecnico.ulisboa.pt
A193.136.128.1🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns1.tecnico.ulisboa.pt
NSns2.tecnico.ulisboa.pt
A2001:690:2100:1::53:2 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns2.tecnico.ulisboa.pt
A193.136.128.2🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRns2.tecnico.ulisboa.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::c03a:216e 🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
A193.136.128.169🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRproxy-lb.ist.utl.pt

utl.pt

NSa.ul.pt
NSb.ul.pt
MXmx21.ulisboa.pt
MXmx22.ulisboa.pt
MXmx23.ulisboa.pt
MXmx24.ulisboa.pt
NSns1.tecnico.ulisboa.pt
NSns2.tecnico.ulisboa.pt
rank #7449 globally
rank #8 in the tld
This domain name "utl.pt" represents the former Technical University of Lisbon, Portugal. The acronym "UTL" stands for "Universidade Técnica de Lisboa". However, in 2013 it was merged with the University of Lisbon, thus this domain may not be in active use or could redirect to the new university's website.

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AI analysis

ist.utl.pt is the parent of numist.ist.utl.pt, nasaeist.ist.utl.pt, mail.ist.utl.pt, sofia.ist.utl.pt, sigma05.ist.utl.pt and hundreds of other host names.

ist.utl.pt has two IP numbers: 2001:690:2100:1::c03a:216e and 193.136.128.169.

Other host names, for instance ist.eu, www.tecnico.pt, proxy-lb.ist.utl.pt, www.ist.pt and tecnico.pt share IP numbers with ist.utl.pt.

ist.utl.pt's delegation uses two name servers: ns1.tecnico.ulisboa.pt and ns2.tecnico.ulisboa.pt.

ist.utl.pt uses the same name server setup as other domains, such as ist.pt, tecnico.ulisboa.pt, comsonante.org, fenixedu.net and rockinrobotchallenge.eu.

ist.utl.pt at least partially shares name servers with other domains, including 160.136.193.in-addr.arpa, math.tecnico.ulisboa.pt, 144.136.193.in-addr.arpa, 137.136.193.in-addr.arpa and 196.136.193.in-addr.arpa.

These name servers are commonly used with ns02.fccn.pt, dns1.tagus.ist.utl.pt, dns2.tagus.ist.utl.pt, a.ul.pt, b.ul.pt, ns1.isa.ulisboa.pt, ns2.isa.ulisboa.pt and bebop.math.tecnico.ulisboa.pt.

Host names with two IPs:

ns1.tecnico.ulisboa.pt points to 2001:690:2100:1::53:1 and 193.136.128.1

ns2.tecnico.ulisboa.pt points to 2001:690:2100:1::53:2 and 193.136.128.2

Three mail servers handle ist.utl.pt: smtp1.tecnico.ulisboa.pt, smtp2.tecnico.ulisboa.pt and smtp.tecnico.ulisboa.pt.

ist.utl.pt shares at least some mail servers with other domains, for example comsonante.org, fst.ist.utl.pt, posi.tecnico.ulisboa.pt, posi.ist.utl.pt and fenixedu.net.

These mail servers are often used together with the mail servers fenixedu3.ist.utl.pt.

Host names with two IP numbers:

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

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

smtp.tecnico.ulisboa.pt: 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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BxOJolw CF johedugfp 2025-09-17