DNSWHOIS.INFO - cfn.ist.utl.pt

Search for IP or hostnames:

cfn.ist.utl.pt checked at 2025-09-12T04:28:57.065Z 572ms 105/105/105 100% R:15

`cfn.ist.utl.pt`

NS	`ns1.ist.utl.pt`
		A	2001:690:2100:1::53:1 ^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`ns1.tecnico.ulisboa.pt`
		A	193.136.128.1^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`ns1.tecnico.ulisboa.pt`
NS	`ns2.ist.utl.pt`
		A	2001:690:2100:1::53:2 ^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`ns2.tecnico.ulisboa.pt`
		A	193.136.128.2^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`ns2.tecnico.ulisboa.pt`
MX	`smtp.ist.utl.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`
NS	`ns1.cfn.ist.utl.pt`
		A	193.136.136.1^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`ns1.ipfn.tecnico.ulisboa.pt`
NS	`ns2.cfn.ist.utl.pt`
		A	193.136.136.2^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`ns2.ipfn.tecnico.ulisboa.pt`
MX	`smtp.cfn.ist.utl.pt`
		A	193.136.136.7^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
			PTR	`smtp.ipfn.tecnico.ulisboa.pt`
A	193.136.136.5^{🇵🇹 FCCN - Fundacao para a Computacao Cientifica Nacional}
		PTR	`ipfn.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}

Up

ns1.cfn.ist.utl.pt

ns2.cfn.ist.utl.pt

smtp.cfn.ist.utl.pt

relay.cfn.ist.utl.pt

Starts with same word

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AI analysis

cfn.ist.utl.pt serves as the parent to ns1.cfn.ist.utl.pt, ns2.cfn.ist.utl.pt, smtp.cfn.ist.utl.pt, and relay.cfn.ist.utl.pt.

IP number 193.136.136.5 is pointed to by cfn.ist.utl.pt.

The IP numbers for cfn.ist.utl.pt are also shared with other host names such as ipfn.ist.utl.pt and ipfn.tecnico.ulisboa.pt.

Four name servers, ns1.ist.utl.pt, ns2.ist.utl.pt, ns1.cfn.ist.utl.pt, and ns2.cfn.ist.utl.pt, are delegated to cfn.ist.utl.pt.

The name servers of cfn.ist.utl.pt are at least partially shared with other domains such as 221.136.193.in-addr.arpa, math.ist.utl.pt, lx.it.pt, gamgi.org, and 136.136.193.in-addr.arpa.

The nameservers cascais.lx.it.pt, ns1.ipfn.ist.utl.pt, ns2.ipfn.ist.utl.pt, bebop.math.ist.utl.pt, dns2.av.it.pt, dns.av.it.pt, civil2.civil.ist.utl.pt, dns.fmv.ulisboa.pt, mx01.fmv.ulisboa.pt, and ns1.tecnico.ulisboa.pt are frequently utilized in conjunction.

ns1.ist.utl.pt points to IP numbers 2001:690:2100:1::53:1 and 193.136.128.1, while ns2.ist.utl.pt points to 2001:690:2100:1::53:2 and 193.136.128.2.

ns1.cfn.ist.utl.pt points to a single IP number: 193.136.136.1, and ns2.cfn.ist.utl.pt points to another: 193.136.136.2.

Two mail servers, smtp.ist.utl.pt and smtp.cfn.ist.utl.pt, manage cfn.ist.utl.pt.

Other domains such as soma.isr.ist.utl.pt, civil.ist.utl.pt, omni.isr.ist.utl.pt, mar.ist.utl.pt, and math.ist.utl.pt share at least some mail servers with cfn.ist.utl.pt.

The mail servers smtp1.ist.utl.pt, smtp2.ist.utl.pt, and smtp.ipfn.ist.utl.pt are frequently utilized in conjunction with these mail servers.

smtp.ist.utl.pt points to two IP numbers: 2001:690:2100:1::25 and 193.136.128.20, while smtp.cfn.ist.utl.pt points to one IP number: 193.136.136.7.

dbq