CF1763379498781-tsm20251116095642

WWW.RTSAK.COM - dhcp-150-251.iis.u-tokyo.ac.jp

Search for IP or hostnames:

dhcp-150-251.iis.u-tokyo.ac.jp checked at 2025-11-17T11:38:18.729Z 1011ms 47/47/47 100% R:14 allDone:true timedOut:false

`dhcp-150-251.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	157.82.150.251^{🇯🇵 UTnet}
			PTR	`dhcp-150-251.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

251.150.82.157.in-addr.arpa

AI analysis

dhcp-150-251.iis.u-tokyo.ac.jp resolves to a single IP: 157.82.150.251.

dhcp-150-251.iis.u-tokyo.ac.jp is served by two mail servers: ironport1.iis.u-tokyo.ac.jp and ironport2.iis.u-tokyo.ac.jp.

dhcp-150-251.iis.u-tokyo.ac.jp shares the mail server setup with other domains, for example dhcp-148-221.iis.u-tokyo.ac.jp, tt15.iis.u-tokyo.ac.jp, dhcp-148-158.iis.u-tokyo.ac.jp, dhcp-160-174.iis.u-tokyo.ac.jp and dhcp-148-217.iis.u-tokyo.ac.jp.

dhcp-150-251.iis.u-tokyo.ac.jp shares some mail servers with other domains, at least partially; for instance dhcp-148-160.iis.u-tokyo.ac.jp, dhcp-148-173.iis.u-tokyo.ac.jp, dhcp-148-140.iis.u-tokyo.ac.jp, dhcp-148-238.iis.u-tokyo.ac.jp and dhcp-148-170.iis.u-tokyo.ac.jp.

Host names with a single IP:

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