MXLIST.NET - nact.tagus.ist.utl.pt

Search for IP or hostnames:

nact.tagus.ist.utl.pt checked at 2025-10-22T23:22:24.180Z 3264ms 74/74/74 100% R:29

`nact.tagus.ist.utl.pt`

CNAME	`groups.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	2001:690:2100:4::d301:2ae9 ^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
		PTR	`web.ist.utl.pt`
A	193.136.128.24^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
		PTR	`omega.ist.utl.pt`

`tagus.ist.utl.pt`

	NS	`ns1.tecnico.ulisboa.pt`
	NS	`ns2.tecnico.ulisboa.pt`
	MX	`smtp.ist.utl.pt`
	NS	`dns1.tagus.ist.utl.pt`
	NS	`dns2.tagus.ist.utl.pt`
	A	193.136.166.25^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}

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AI analysis

nact.tagus.ist.utl.pt resolves to two IP numbers: 2001:690:2100:4::d301:2ae9 and 193.136.128.24.

other host names including jeq.ist.utl.pt, csf2016.tecnico.ulisboa.pt, larsys.pt, groups.tecnico.ulisboa.pt and smartbuildings.ist.utl.pt share IP numbers with nact.tagus.ist.utl.pt.

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

nact.tagus.ist.utl.pt shares some mail servers with other domains, at least partially, for instance adist.ist.utl.pt, dsi.tecnico.ulisboa.pt, jeq.ist.utl.pt, csf2016.tecnico.ulisboa.pt and civil.tecnico.ulisboa.pt.

these mail servers are commonly used with 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.

dbq