CF1762845241797-tsm20251109205412

IPLIST.NET - mailgw1.iis.u-tokyo.ac.jp

Search for IP or hostnames:

mailgw1.iis.u-tokyo.ac.jp checked at 2025-11-11T07:14:01.782Z 780ms 52/52/52 100% R:23 allDone:true timedOut:false

`mailgw1.iis.u-tokyo.ac.jp`

	MX	`ironport1.iis.u-tokyo.ac.jp`
			A	157.82.144.166^{🇯🇵 UTnet}
				PTR	`ironport1.iis.u-tokyo.ac.jp`
	MX	`ironport2.iis.u-tokyo.ac.jp`
			A	157.82.144.167^{🇯🇵 UTnet}
				PTR	`ironport2.iis.u-tokyo.ac.jp`
	A	2404:d540:1:8200:157:82:144:145 ^{🇯🇵 UTnet}
	A	157.82.144.145^{🇯🇵 UTnet}
			PTR	`mailgw1.iis.u-tokyo.ac.jp`

`iis.u-tokyo.ac.jp`

	MX	`ironport1.iis.u-tokyo.ac.jp`
	MX	`ironport2.iis.u-tokyo.ac.jp`
	NS	`penguin.iis.u-tokyo.ac.jp`
	NS	`dns1.nc.u-tokyo.ac.jp`
	NS	`dns2.nc.u-tokyo.ac.jp`
	NS	`dns3.nc.u-tokyo.ac.jp`
	A	157.82.144.140^{🇯🇵 UTnet}

PTR for

145.144.82.157.in-addr.arpa

Starts with same word

mailgw1.gov.bh

Starts similarily

mailgw1.gov.bh

AI analysis

mailgw1.iis.u-tokyo.ac.jp resolves to two IP numbers: 2404:d540:1:8200:157:82:144:145 and 157.82.144.145.

Other host names, for instance mailgw.iis.u-tokyo.ac.jp, share IP numbers with mailgw1.iis.u-tokyo.ac.jp.

Two mail servers handle mailgw1.iis.u-tokyo.ac.jp: ironport1.iis.u-tokyo.ac.jp and ironport2.iis.u-tokyo.ac.jp.

mailgw1.iis.u-tokyo.ac.jp shares the same mail server setup as other domains, for instance dhcp-148-242.iis.u-tokyo.ac.jp, dhcp-148-168.iis.u-tokyo.ac.jp, dhcp-148-160.iis.u-tokyo.ac.jp, dhcp-148-173.iis.u-tokyo.ac.jp and dhcp-148-140.iis.u-tokyo.ac.jp.

Host names with one IP number:

ironport1.iis.u-tokyo.ac.jp points to 157.82.144.166

ironport2.iis.u-tokyo.ac.jp points to 157.82.144.167

dbq