CF1763025083719-tsm20251109205412

WWW.RTSAK.COM - dhcp-148-242.iis.u-tokyo.ac.jp

Search for IP or hostnames:

dhcp-148-242.iis.u-tokyo.ac.jp checked at 2025-11-13T09:11:23.708Z 697ms 47/47/47 100% R:16 allDone:true timedOut:false

`dhcp-148-242.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	157.82.148.242^{🇯🇵 U-TOKYO}
			PTR	`dhcp-148-242.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

242.148.82.157.in-addr.arpa

AI analysis

dhcp-148-242.iis.u-tokyo.ac.jp points to a single IP number: 157.82.148.242.

dhcp-148-242.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-148-242.iis.u-tokyo.ac.jp shares the same mail server setup as other domains, for instance mizu.iis.u-tokyo.ac.jp, tt7.iis.u-tokyo.ac.jp, dhcp-157-239.iis.u-tokyo.ac.jp, dhcp-148-175.iis.u-tokyo.ac.jp and dhcp-148-130.iis.u-tokyo.ac.jp.

dhcp-148-242.iis.u-tokyo.ac.jp shares mail servers with other domains at least partially, including dhcp-148-239.iis.u-tokyo.ac.jp, dhcp-148-247.iis.u-tokyo.ac.jp, dhcp-148-237.iis.u-tokyo.ac.jp, dhcp-148-201.iis.u-tokyo.ac.jp and dhcp-148-155.iis.u-tokyo.ac.jp.

Host names with one IP number:

The host ironport1.iis.u-tokyo.ac.jp points to 157.82.144.166 and the host ironport2.iis.u-tokyo.ac.jp points to 157.82.144.167.

dbq