DNSWHOIS.INFO - dhcp-148-231.iis.u-tokyo.ac.jp
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dhcp-148-231.iis.u-tokyo.ac.jp checked at 2025-10-08T00:14:20.103Z 436ms 47/47/47 100% R:14dhcp-148-231.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 | 157.82.148.231🇯🇵 UTnet | ||||||
| PTR | dhcp-148-231.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-148-231.iis.u-tokyo.ac.jp points to a single IP address: 157.82.148.231.
dhcp-148-231.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-148-231.iis.u-tokyo.ac.jp uses the same mail server setup as other domains, for instance dhcp-148-167.iis.u-tokyo.ac.jp, ekpc.iis.u-tokyo.ac.jp, cossack.iis.u-tokyo.ac.jp, nano.iis.u-tokyo.ac.jp and plasma.iis.u-tokyo.ac.jp.
dhcp-148-231.iis.u-tokyo.ac.jp shares at least some mail servers with other domains, for example wlc-168-254.iis.u-tokyo.ac.jp, dhcp-148-232.iis.u-tokyo.ac.jp, rainbow.iis.u-tokyo.ac.jp, tt16.iis.u-tokyo.ac.jp and tt14.iis.u-tokyo.ac.jp.
Hostnames with a single IP
ironport1.iis.u-tokyo.ac.jp resolves to: 157.82.144.166.
ironport2.iis.u-tokyo.ac.jp resolves to: 157.82.144.167.