WWW.RTSAK.COM - smtp1.ist.utl.pt

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smtp1.ist.utl.pt checked at 2025-09-29T17:48:10.886Z 1976ms 82/82/82 100% R:25

`smtp1.ist.utl.pt`

MX	`smtp1.ist.utl.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.ist.utl.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.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`
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`

`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}

MX for

soma.isr.ist.utl.pt

civil.ist.utl.pt

omni.isr.ist.utl.pt

mar.ist.utl.pt

math.ist.utl.pt

smtp2.ist.utl.pt

gamgi.org

smtp1.ist.utl.pt

ist-id.pt

isr.ist.utl.pt

Starts with same word

smtp1.gov.ee

smtp1.selfip.net

smtp1.hu

smtp1.gov.rs

smtp1.gouv.ml

smtp1.com

smtp1.org

smtp1.eu

Starts similarily

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smtp1.gouv.ml

smtp1.com

1stpm.org

p1smt.com

smpt1.ws

smtp1.org

mp1st.com

smtp1.eu

smtp1.gov.ee

tpms1.com

1smtp.ru

smtp1.selfip.net

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AI analysis

smtp1.ist.utl.pt acts as the mail server for soma.isr.ist.utl.pt, civil.ist.utl.pt, omni.isr.ist.utl.pt, mar.ist.utl.pt, math.ist.utl.pt and a few other domains.

Mail servers smtp2.ist.utl.pt and smtp.ist.utl.pt are commonly used with smtp1.ist.utl.pt.

smtp1.ist.utl.pt resolves to two IPs: 2001:690:2100:1::15 and 193.136.128.21.

Other host names, for instance smtp1.tecnico.ulisboa.pt, share IP numbers with smtp1.ist.utl.pt.

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

smtp1.ist.utl.pt shares mail servers with other domains at least partially, including cfn.ist.utl.pt, soma.isr.ist.utl.pt, civil.ist.utl.pt, omni.isr.ist.utl.pt and mar.ist.utl.pt.

these mail servers are often used with smtp.cfn.ist.utl.pt and smtp.ipfn.ist.utl.pt.

Host names with two IP numbers:

Host smtp1.ist.utl.pt points to 2001:690:2100:1::15 and 193.136.128.21.

Host smtp2.ist.utl.pt points to 2001:690:2100:1::16 and 193.136.128.22.

Host smtp.ist.utl.pt points to 2001:690:2100:1::25 and 193.136.128.20.

dbq