WWW.RTSAK.COM - dhcp-156-54.iis.u-tokyo.ac.jp
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dhcp-156-54.iis.u-tokyo.ac.jp checked at 2025-10-31T14:30:56.228Z 1252ms 47/47/47 100% R:8dhcp-156-54.iis.u-tokyo.ac.jp
| MX | ironport1.iis.u-tokyo.ac.jp | ||||||
| A | 157.82.144.166🇯🇵 U-TOKYO | ||||||
| PTR | ironport1.iis.u-tokyo.ac.jp | ||||||
| MX | ironport2.iis.u-tokyo.ac.jp | ||||||
| A | 157.82.144.167🇯🇵 U-TOKYO | ||||||
| PTR | ironport2.iis.u-tokyo.ac.jp | ||||||
| A | 157.82.156.54🇯🇵 U-TOKYO | ||||||
| PTR | dhcp-156-54.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🇯🇵 U-TOKYO | ||||||
PTR for
AI analysis
dhcp-156-54.iis.u-tokyo.ac.jp points to a single IP: 157.82.156.54.
dhcp-156-54.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-156-54.iis.u-tokyo.ac.jp has the same mail server setup as other domains, including kmj-rtr.kmj.iis.u-tokyo.ac.jp, bwgw.iis.u-tokyo.ac.jp, dhcp-148-200.iis.u-tokyo.ac.jp, dhcp-148-223.iis.u-tokyo.ac.jp and dhcp-148-195.iis.u-tokyo.ac.jp.
dhcp-156-54.iis.u-tokyo.ac.jp shares some mail servers with other domains at least partially, for example dhcp-148-133.iis.u-tokyo.ac.jp, ttp2.iis.u-tokyo.ac.jp, dhcp-148-218.iis.u-tokyo.ac.jp and dhcp-148-131.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.