IPLIST.NET - mailgw2.iis.u-tokyo.ac.jp
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mailgw2.iis.u-tokyo.ac.jp checked at 2025-10-08T05:14:20.657Z 421ms 55/55/55 100% R:17mailgw2.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 | 2404:d540:1:8200:157:82:144:146 🇯🇵 UTnet | ||||||
| A | 157.82.144.146🇯🇵 UTnet | ||||||
| PTR | mailgw2.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
Starts with same word
Starts similarily
AI analysis
Two IP numbers are pointed to by mailgw2.iis.u-tokyo.ac.jp: 2404:d540:1:8200:157:82:144:146 and 157.82.144.146.
Other host names, for instance mailgw.iis.u-tokyo.ac.jp, share IP numbers with mailgw2.iis.u-tokyo.ac.jp.
mailgw2.iis.u-tokyo.ac.jp is handled by two mail servers: ironport1.iis.u-tokyo.ac.jp and ironport2.iis.u-tokyo.ac.jp.
mailgw2.iis.u-tokyo.ac.jp uses the same mail server setup as other domains, for instance dhcp-168-210.iis.u-tokyo.ac.jp, tt9.iis.u-tokyo.ac.jp, dhcp-168-117.iis.u-tokyo.ac.jp, dhcp-148-208.iis.u-tokyo.ac.jp and dhcp-168-108.iis.u-tokyo.ac.jp.
mailgw2.iis.u-tokyo.ac.jp shares at least partially some mail servers with other domains, for instance cegw.iis.u-tokyo.ac.jp, hydro.iis.u-tokyo.ac.jp, dhcp-148-228.iis.u-tokyo.ac.jp, dhcp-168-201.iis.u-tokyo.ac.jp and dhcp-160-51.iis.u-tokyo.ac.jp.
Host names with one IP:
ironport1.iis.u-tokyo.ac.jp points to: 157.82.144.166
ironport2.iis.u-tokyo.ac.jp points to: 157.82.144.167