MXLIST.NET - sd.ist.utl.pt

Search for IP or hostnames:

sd.ist.utl.pt checked at 2025-10-19T07:22:57.786Z 1855ms 71/71/71 100% R:22

`sd.ist.utl.pt`

MX	`smtp1.tecnico.ulisboa.pt`
		A	2001:690:2100:1::15 ^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`smtp1.tecnico.ulisboa.pt`
		A	193.136.128.21^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`smtp1.tecnico.ulisboa.pt`
MX	`smtp2.tecnico.ulisboa.pt`
		A	2001:690:2100:1::16 ^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`smtp2.tecnico.ulisboa.pt`
		A	193.136.128.22^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`smtp2.tecnico.ulisboa.pt`
MX	`smtp.tecnico.ulisboa.pt`
		A	2001:690:2100:1::25 ^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`smtp.tecnico.ulisboa.pt`
		A	193.136.128.20^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`smtp.tecnico.ulisboa.pt`
A	193.136.100.109^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
		PTR	`sd.tecnico.ulisboa.pt`

`ist.utl.pt`

	NS	`ns1.tecnico.ulisboa.pt`
	NS	`ns2.tecnico.ulisboa.pt`
	MX	`smtp1.tecnico.ulisboa.pt`
	MX	`smtp2.tecnico.ulisboa.pt`
	MX	`smtp.tecnico.ulisboa.pt`
	A	2001:690:2100:1::c03a:216e ^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
	A	193.136.128.169^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}

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AI analysis

sd.ist.utl.pt points to a single IP number: 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.

sd.ist.utl.pt shares mail servers with other domains at least partially, including 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 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.

dbq