CF1760302502789-tsm20251012143351

NSLIST.NET - dhcp-148-251.iis.u-tokyo.ac.jp

Search for IP or hostnames:

dhcp-148-251.iis.u-tokyo.ac.jp checked at 2025-10-12T20:55:02.754Z 1086ms 47/47/47 100% R:19

`dhcp-148-251.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	157.82.148.251^{🇯🇵 UTnet}
			PTR	`dhcp-148-251.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

251.148.82.157.in-addr.arpa

AI analysis

dhcp-148-251.iis.u-tokyo.ac.jp points to a single IP address: 157.82.148.251.

Two mail servers handle dhcp-148-251.iis.u-tokyo.ac.jp: ironport1.iis.u-tokyo.ac.jp and ironport2.iis.u-tokyo.ac.jp.

dhcp-148-251.iis.u-tokyo.ac.jp shares the same mail server setup as other domains, including dhcp-168-117.iis.u-tokyo.ac.jp, dhcp-148-208.iis.u-tokyo.ac.jp, dhcp-168-108.iis.u-tokyo.ac.jp, dhcp-148-176.iis.u-tokyo.ac.jp and tt13.iis.u-tokyo.ac.jp.

dhcp-148-251.iis.u-tokyo.ac.jp shares at least partially some mail servers with other domains, for instance dhcp-148-228.iis.u-tokyo.ac.jp, dhcp-168-201.iis.u-tokyo.ac.jp, dhcp-160-51.iis.u-tokyo.ac.jp, kuwalab1.iis.u-tokyo.ac.jp and dhcp-148-210.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

ebHjtdn CF johedugfp 2025-10-12