WWW.RTSAK.COM - dhcp-164-187.iis.u-tokyo.ac.jp
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dhcp-164-187.iis.u-tokyo.ac.jp checked at 2025-10-28T11:26:30.359Z 425ms 44/44/44 100% R:13dhcp-164-187.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 | 157.82.164.187🇯🇵 UTnet | ||||||
| PTR | dhcp-164-187.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
AI analysis
dhcp-164-187.iis.u-tokyo.ac.jp points to a single IP address: 157.82.164.187.
dhcp-164-187.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-164-187.iis.u-tokyo.ac.jp uses the same mail server setup as other domains, for instance dhcp-148-218.iis.u-tokyo.ac.jp, dhcp-148-131.iis.u-tokyo.ac.jp, ttp.iis.u-tokyo.ac.jp, dhcp-148-188.iis.u-tokyo.ac.jp and dhcp-148-143.iis.u-tokyo.ac.jp.
Hostnames 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