CF1763384179650-tsm20251116095642

MXLIST.NET - dhcp-157-239.iis.u-tokyo.ac.jp

Search for IP or hostnames:

dhcp-157-239.iis.u-tokyo.ac.jp checked at 2025-11-17T12:56:19.551Z 1104ms 44/44/44 100% R:11 allDone:true timedOut:false

`dhcp-157-239.iis.u-tokyo.ac.jp`

	MX	`ironport1.iis.u-tokyo.ac.jp`
			A	157.82.144.166^{🇯🇵 U-TOKYO}
				PTR	`ironport1.iis.u-tokyo.ac.jp`
	MX	`ironport2.iis.u-tokyo.ac.jp`
			A	157.82.144.167^{🇯🇵 U-TOKYO}
				PTR	`ironport2.iis.u-tokyo.ac.jp`
	A	157.82.157.239^{🇯🇵 U-TOKYO}
			PTR	`dhcp-157-239.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^{🇯🇵 U-TOKYO}

PTR for

239.157.82.157.in-addr.arpa

AI analysis

dhcp-157-239.iis.u-tokyo.ac.jp points to a single IP address: 157.82.157.239.

Two mail servers handle dhcp-157-239.iis.u-tokyo.ac.jp: ironport1.iis.u-tokyo.ac.jp and ironport2.iis.u-tokyo.ac.jp.

dhcp-157-239.iis.u-tokyo.ac.jp shares the same mail server setup as other domains, including hadoop-gate.iis.u-tokyo.ac.jp, dhcp-168-53.iis.u-tokyo.ac.jp, dhcp-160-158.iis.u-tokyo.ac.jp, dhcp-164-187.iis.u-tokyo.ac.jp and chibagw.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