DNSWHOIS.INFO - dhcp-148-241.iis.u-tokyo.ac.jp
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dhcp-148-241.iis.u-tokyo.ac.jp checked at 2025-10-07T16:23:40.538Z 434ms 47/47/47 100% R:12dhcp-148-241.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 | 157.82.148.241🇯🇵 UTnet | ||||||
| PTR | dhcp-148-241.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-148-241.iis.u-tokyo.ac.jp points to a single IP: 157.82.148.241.
dhcp-148-241.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-148-241.iis.u-tokyo.ac.jp has the same mail server setup as other domains, including dhcp-155-215.iis.u-tokyo.ac.jp, mac-yh-desktop.iis.u-tokyo.ac.jp, dhcp-148-221.iis.u-tokyo.ac.jp, tt15.iis.u-tokyo.ac.jp and dhcp-148-158.iis.u-tokyo.ac.jp.
dhcp-148-241.iis.u-tokyo.ac.jp shares some mail servers with other domains, at least partially, such as dhcp-148-242.iis.u-tokyo.ac.jp, dhcp-148-168.iis.u-tokyo.ac.jp, dhcp-148-160.iis.u-tokyo.ac.jp, dhcp-148-173.iis.u-tokyo.ac.jp and dhcp-148-140.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.