CF1761399913601-tsm20251024211356

MXLIST.NET - dhcp-168-51.iis.u-tokyo.ac.jp

Search for IP or hostnames:

dhcp-168-51.iis.u-tokyo.ac.jp checked at 2025-10-25T13:45:13.590Z 439ms 47/47/47 100% R:18

`dhcp-168-51.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	157.82.168.51^{🇯🇵 UTnet}
			PTR	`dhcp-168-51.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

51.168.82.157.in-addr.arpa

AI analysis

dhcp-168-51.iis.u-tokyo.ac.jp points to a single IP number: 157.82.168.51.

dhcp-168-51.iis.u-tokyo.ac.jp is handled by two mail servers: ironport1.iis.u-tokyo.ac.jp and ironport2.iis.u-tokyo.ac.jp.

dhcp-168-51.iis.u-tokyo.ac.jp uses the same mail server configuration as other domains, such as dhcp-148-191.iis.u-tokyo.ac.jp, dhcp-155-215.iis.u-tokyo.ac.jp, mac-yh-desktop.iis.u-tokyo.ac.jp, dhcp-148-221.iis.u-tokyo.ac.jp and tt15.iis.u-tokyo.ac.jp.

dhcp-168-51.iis.u-tokyo.ac.jp shares mail servers with other domains at least in part, for instance dhcp-148-213.iis.u-tokyo.ac.jp, dhcp-148-242.iis.u-tokyo.ac.jp, dhcp-148-168.iis.u-tokyo.ac.jp, dhcp-148-160.iis.u-tokyo.ac.jp and dhcp-148-173.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

xLDyosc CF johedugfp 2025-10-25