CF1763617383076-tsm20251116095642

WWW.RTSAK.COM - mailgw.iis.u-tokyo.ac.jp

Search for IP or hostnames:

mailgw.iis.u-tokyo.ac.jp checked at 2025-11-20T05:43:02.968Z 943ms 55/55/55 100% R:11 allDone:true timedOut:false

mailgw.iis.u-tokyo.ac.jp

MXironport1.iis.u-tokyo.ac.jp
A157.82.144.166🇯🇵 UTnet
PTRironport1.iis.u-tokyo.ac.jp
MXironport2.iis.u-tokyo.ac.jp
A157.82.144.167🇯🇵 UTnet
PTRironport2.iis.u-tokyo.ac.jp
A157.82.144.145🇯🇵 UTnet
PTRmailgw1.iis.u-tokyo.ac.jp
A157.82.144.146🇯🇵 UTnet
PTRmailgw2.iis.u-tokyo.ac.jp

iis.u-tokyo.ac.jp

MXironport1.iis.u-tokyo.ac.jp
MXironport2.iis.u-tokyo.ac.jp
NSpenguin.iis.u-tokyo.ac.jp
NSdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
NSdns3.nc.u-tokyo.ac.jp
A157.82.144.140🇯🇵 UTnet

Starts with same word

Starts similarily

AI analysis

mailgw.iis.u-tokyo.ac.jp resolves to two IP numbers: 157.82.144.145 and 157.82.144.146.

Other host names such as mailgw1.iis.u-tokyo.ac.jp and mailgw2.iis.u-tokyo.ac.jp share IP numbers with mailgw.iis.u-tokyo.ac.jp.

Two mail servers handle mailgw.iis.u-tokyo.ac.jp: ironport1.iis.u-tokyo.ac.jp and ironport2.iis.u-tokyo.ac.jp.

mailgw.iis.u-tokyo.ac.jp shares the same mail server setup as other domains, for instance dhcp-148-204.iis.u-tokyo.ac.jp, www-labs.iis.u-tokyo.ac.jp, kmj-rtr.kmj.iis.u-tokyo.ac.jp, bwgw.iis.u-tokyo.ac.jp and dhcp-148-200.iis.u-tokyo.ac.jp.

mailgw.iis.u-tokyo.ac.jp shares some mail servers with other domains, at least partially, for instance dhcp-168-182.iis.u-tokyo.ac.jp, cmsm-kaiser.iis.u-tokyo.ac.jp, dhcp-148-133.iis.u-tokyo.ac.jp, ttp2.iis.u-tokyo.ac.jp and dhcp-148-218.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

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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