CF1758235330425-tsm20250918195234

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

Search for IP or hostnames:

sd.ist.utl.pt checked at 2025-09-18T22:42:10.404Z 2795ms 71/71/71 100% R:20

sd.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
A193.136.100.109🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional
PTRsd.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

Starts with same word

Starts similarily

AI analysis

sd.ist.utl.pt resolves to a single IP address: 193.136.100.109.

Other host names, for instance sd.tecnico.ulisboa.pt, share IP numbers with sd.ist.utl.pt.

sd.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 sd.ist.utl.pt are shared with other domains, for instance ist-id.ist.utl.pt, dali.ist.utl.pt, deq.ist.utl.pt, nasaeist.ist.utl.pt and mail.ist.utl.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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UDtPdtp CF johedugfp 2025-09-18