DNSWHOIS.INFO - dhcp-148-221.iis.u-tokyo.ac.jp
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dhcp-148-221.iis.u-tokyo.ac.jp checked at 2025-10-07T02:07:42.549Z 566ms 47/47/47 100% R:12dhcp-148-221.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 | 157.82.148.221🇯🇵 UTnet | ||||||
| PTR | dhcp-148-221.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-148-221.iis.u-tokyo.ac.jp resolves to one IP number: 157.82.148.221.
dhcp-148-221.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-148-221.iis.u-tokyo.ac.jp shares the same mail server setup as other domains, for instance dhcp-148-197.iis.u-tokyo.ac.jp, dhcp-168-210.iis.u-tokyo.ac.jp, tt9.iis.u-tokyo.ac.jp, dhcp-168-117.iis.u-tokyo.ac.jp and dhcp-148-208.iis.u-tokyo.ac.jp.
dhcp-148-221.iis.u-tokyo.ac.jp shares at least some mail servers with other domains, for example shui.iis.u-tokyo.ac.jp, cegw.iis.u-tokyo.ac.jp, hydro.iis.u-tokyo.ac.jp, dhcp-148-228.iis.u-tokyo.ac.jp and dhcp-168-201.iis.u-tokyo.ac.jp.
Host names with a single IP address: ironport1.iis.u-tokyo.ac.jp points to 157.82.144.166; ironport2.iis.u-tokyo.ac.jp points to 157.82.144.167.