WWW.RTSAK.COM - dhcp-148-249.iis.u-tokyo.ac.jp
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dhcp-148-249.iis.u-tokyo.ac.jp checked at 2025-10-27T13:39:05.316Z 748ms 47/47/47 100% R:13dhcp-148-249.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 | 157.82.148.249🇯🇵 UTnet | ||||||
| PTR | dhcp-148-249.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-148-249.iis.u-tokyo.ac.jp points to a single IP: 157.82.148.249.
dhcp-148-249.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-148-249.iis.u-tokyo.ac.jp has the same mail server setup as other domains, including dhcp-148-245.iis.u-tokyo.ac.jp, dhcp-148-192.iis.u-tokyo.ac.jp, landsat.iis.u-tokyo.ac.jp, dhcp-148-171.iis.u-tokyo.ac.jp and dhcp-148-137.iis.u-tokyo.ac.jp.
dhcp-148-249.iis.u-tokyo.ac.jp shares some mail servers with other domains, at least partially, such as yoshielab.iis.u-tokyo.ac.jp, dhcp-148-177.iis.u-tokyo.ac.jp, dhcp-148-248.iis.u-tokyo.ac.jp, dhcp-148-166.iis.u-tokyo.ac.jp and dhcp-148-136.iis.u-tokyo.ac.jp.
Host names with one IP number: The host name ironport1.iis.u-tokyo.ac.jp points to 157.82.144.166 and the host name ironport2.iis.u-tokyo.ac.jp points to 157.82.144.167.