WWW.RTSAK.COM - dhcp-157-239.iis.u-tokyo.ac.jp
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dhcp-157-239.iis.u-tokyo.ac.jp checked at 2025-10-31T21:00:41.984Z 1304ms 44/44/44 100% R:10dhcp-157-239.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 | 157.82.157.239🇯🇵 UTnet | ||||||
| PTR | dhcp-157-239.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-157-239.iis.u-tokyo.ac.jp points to a single IP number: 157.82.157.239.
dhcp-157-239.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-157-239.iis.u-tokyo.ac.jp uses the same mail server configuration as other domains, such as hadoop-gate.iis.u-tokyo.ac.jp, dhcp-168-53.iis.u-tokyo.ac.jp, dhcp-160-158.iis.u-tokyo.ac.jp, dhcp-164-187.iis.u-tokyo.ac.jp and chibagw.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.
dbq