CF1761634069910-tsm20251027103946

MXLIST.NET - dhcp-148-209.iis.u-tokyo.ac.jp

Search for IP or hostnames:

dhcp-148-209.iis.u-tokyo.ac.jp checked at 2025-10-28T06:47:49.889Z 489ms 44/44/44 100% R:16

`dhcp-148-209.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	157.82.148.209^{🇯🇵 UTnet}
			PTR	`dhcp-148-209.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

209.148.82.157.in-addr.arpa

AI analysis

dhcp-148-209.iis.u-tokyo.ac.jp points to a single IP: 157.82.148.209.

Two mail servers ironport1.iis.u-tokyo.ac.jp and ironport2.iis.u-tokyo.ac.jp handle dhcp-148-209.iis.u-tokyo.ac.jp.

dhcp-148-209.iis.u-tokyo.ac.jp uses the same mail server setup as other domains such as 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 a single IP:

ironport1.iis.u-tokyo.ac.jp resolves to 157.82.144.166.

ironport2.iis.u-tokyo.ac.jp resolves to 157.82.144.167.

dbq

mtuilNd CF johedugfp 2025-10-28