WWW.RTSAK.COM - dhcp-148-243.iis.u-tokyo.ac.jp
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dhcp-148-243.iis.u-tokyo.ac.jp checked at 2025-10-27T13:35:35.522Z 396ms 47/47/47 100% R:12dhcp-148-243.iis.u-tokyo.ac.jp
| MX | ironport1.iis.u-tokyo.ac.jp | ||||||
| A | 157.82.144.166🇯🇵 U-TOKYO | ||||||
| PTR | ironport1.iis.u-tokyo.ac.jp | ||||||
| MX | ironport2.iis.u-tokyo.ac.jp | ||||||
| A | 157.82.144.167🇯🇵 U-TOKYO | ||||||
| PTR | ironport2.iis.u-tokyo.ac.jp | ||||||
| A | 157.82.148.243🇯🇵 U-TOKYO | ||||||
| PTR | dhcp-148-243.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🇯🇵 U-TOKYO | ||||||
PTR for
AI analysis
dhcp-148-243.iis.u-tokyo.ac.jp resolves to a single IP: 157.82.148.243.
dhcp-148-243.iis.u-tokyo.ac.jp is served by two mail servers: ironport1.iis.u-tokyo.ac.jp and ironport2.iis.u-tokyo.ac.jp.
dhcp-148-243.iis.u-tokyo.ac.jp shares the mail server setup with other domains, for example dhcp-148-231.iis.u-tokyo.ac.jp, dhcp-148-198.iis.u-tokyo.ac.jp, 1s.iis.u-tokyo.ac.jp, dhcp-148-193.iis.u-tokyo.ac.jp and dhcp-148-220.iis.u-tokyo.ac.jp.
dhcp-148-243.iis.u-tokyo.ac.jp shares some mail servers with other domains, at least partially; for instance dhcp-148-161.iis.u-tokyo.ac.jp, office.iis.u-tokyo.ac.jp, dhcp-148-219.iis.u-tokyo.ac.jp, hadoop-gate.iis.u-tokyo.ac.jp and dhcp-168-53.iis.u-tokyo.ac.jp.
Host names with a single 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