CF1759762675506-tsm20251005211530

DNSWHOIS.INFO - iis.u-tokyo.ac.jp

Search for IP or hostnames:

iis.u-tokyo.ac.jp checked at 2025-10-06T14:57:55.469Z 762ms 104/104/104 100% R:23

iis.u-tokyo.ac.jp

MXironport1.iis.u-tokyo.ac.jp
A157.82.144.166🇯🇵 UTnet
PTRironport1.iis.u-tokyo.ac.jp
MXironport2.iis.u-tokyo.ac.jp
A157.82.144.167🇯🇵 UTnet
PTRironport2.iis.u-tokyo.ac.jp
NSpenguin.iis.u-tokyo.ac.jp
A2404:d540:1:8200:157:82:144:140 🇯🇵 UTnet
A157.82.144.140🇯🇵 UTnet
PTRpenguin.iis.u-tokyo.ac.jp
NSdns1.nc.u-tokyo.ac.jp
A2001:200:180::35:1 🇯🇵 WIDE Project
PTRdns1.nc.u-tokyo.ac.jp
A133.11.0.1🇯🇵 UTnet
PTRdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
A2001:2c0:ce07:f900::2 🇯🇵 NTT PC Communications (InfoSphere)
A119.245.132.49🇯🇵 NTT PC Communications (InfoSphere)
NSdns3.nc.u-tokyo.ac.jp
A2001:200:180::35:3 🇯🇵 WIDE Project
PTRdns3.nc.u-tokyo.ac.jp
A157.82.0.1🇯🇵 UTnet
PTRdns3.nc.u-tokyo.ac.jp
A157.82.144.140🇯🇵 UTnet
PTRpenguin.iis.u-tokyo.ac.jp

u-tokyo.ac.jp

NSdns-x.sinet.ad.jp
NSdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
NSdns3.nc.u-tokyo.ac.jp
MXutmail3.nc.u-tokyo.ac.jp
MXutmail4.nc.u-tokyo.ac.jp
MXutmail5.nc.u-tokyo.ac.jp
rank #1529 globally
rank #15 in the tld
This domain name "u-tokyo.ac.jp" belongs to the University of Tokyo, which is a research university located in Bunkyo, Tokyo, Japan. The "u-tokyo" part signifies University of Tokyo, while "ac.jp" is a domain used by academic institutions in Japan. This particular domain is used to host the university's official website, providing information about the university, its faculties, research, admissions, and more.

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Starts with same word

Starts similarily

AI analysis

iis.u-tokyo.ac.jp is the parent of dhcp-148-192.iis.u-tokyo.ac.jp, landsat.iis.u-tokyo.ac.jp, dhcp-148-171.iis.u-tokyo.ac.jp, dhcp-148-137.iis.u-tokyo.ac.jp, dhcp-168-123.iis.u-tokyo.ac.jp and hundreds of other host names.

iis.u-tokyo.ac.jp resolves to one IP number: 157.82.144.140.

Other host names, for example penguin.iis.u-tokyo.ac.jp, share IP numbers with iis.u-tokyo.ac.jp.

iis.u-tokyo.ac.jp delegates to four name servers: penguin.iis.u-tokyo.ac.jp, dns1.nc.u-tokyo.ac.jp, dns2.nc.u-tokyo.ac.jp and dns3.nc.u-tokyo.ac.jp.

iis.u-tokyo.ac.jp at least partially shares name servers with other domains, including 227.82.157.in-addr.arpa, stat.t.u-tokyo.ac.jp, 233.82.157.in-addr.arpa, 64.11.133.in-addr.arpa and issp.u-tokyo.ac.jp.

These name servers are commonly used with ns1.t.u-tokyo.ac.jp, dns101.ecc.u-tokyo.ac.jp, dns.ecc.u-tokyo.ac.jp, ns1.s.u-tokyo.ac.jp, ns2.s.u-tokyo.ac.jp, ns2.t.u-tokyo.ac.jp, ns-e6.keisu.t.u-tokyo.ac.jp, dnsserver02.ecc.u-tokyo.ac.jp, dnsserver03.ecc.u-tokyo.ac.jp and dnsserver04.ecc.u-tokyo.ac.jp.

Host names with two IP numbers: penguin.iis.u-tokyo.ac.jp points to 2404:d540:1:8200:157:82:144:140 and 157.82.144.140; dns1.nc.u-tokyo.ac.jp points to 2001:200:180::35:1 and 133.11.0.1; dns2.nc.u-tokyo.ac.jp points to 2001:2c0:ce07:f900::2 and 119.245.132.49; dns3.nc.u-tokyo.ac.jp points to 2001:200:180::35:3 and 157.82.0.1.

iis.u-tokyo.ac.jp is served by two mail servers ironport1.iis.u-tokyo.ac.jp and ironport2.iis.u-tokyo.ac.jp.

iis.u-tokyo.ac.jp shares the same mail server setup as other domains, for instance cvl.iis.u-tokyo.ac.jp, dhcp-148-141.iis.u-tokyo.ac.jp, dhcp-148-139.iis.u-tokyo.ac.jp, dhcp-148-186.iis.u-tokyo.ac.jp and dhcp-148-197.iis.u-tokyo.ac.jp.

iis.u-tokyo.ac.jp shares at least some mail servers with other domains, for example chibagw.iis.u-tokyo.ac.jp, dhcp-148-214.iis.u-tokyo.ac.jp, dhcp-148-194.iis.u-tokyo.ac.jp, dhcp-148-250.iis.u-tokyo.ac.jp and shui.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.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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ovWhXnv CF johedugfp 2025-10-06