WWW.RTSAK.COM - dhcp-148-139.iis.u-tokyo.ac.jp
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dhcp-148-139.iis.u-tokyo.ac.jp checked at 2025-10-31T02:29:00.433Z 1069ms 47/47/47 100% R:9dhcp-148-139.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 | 157.82.148.139🇯🇵 UTnet | ||||||
| PTR | dhcp-148-139.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-148-139.iis.u-tokyo.ac.jp points to a single IP number: 157.82.148.139.
dhcp-148-139.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-148-139.iis.u-tokyo.ac.jp shares the same mail server setup as other domains, for instance iis.u-tokyo.ac.jp, dhcp-148-207.iis.u-tokyo.ac.jp, dhcp-148-243.iis.u-tokyo.ac.jp, dhcp-148-236.iis.u-tokyo.ac.jp and tenhoo.iis.u-tokyo.ac.jp.
dhcp-148-139.iis.u-tokyo.ac.jp shares mail servers with other domains at least partially, including dhcp-148-185.iis.u-tokyo.ac.jp, dhcp-148-233.iis.u-tokyo.ac.jp, dhcp-167-241.iis.u-tokyo.ac.jp, dhcp-148-184.iis.u-tokyo.ac.jp and dhcp-168-244.iis.u-tokyo.ac.jp.
Host names with one IP number:
The host ironport1.iis.u-tokyo.ac.jp points to 157.82.144.166 and the host ironport2.iis.u-tokyo.ac.jp points to 157.82.144.167.