CF1763546796018-tsm20251116095642

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

Search for IP or hostnames:

mail.u-tokyo.ac.jp checked at 2025-11-19T10:06:34.969Z 1446ms 99/99/99 100% R:16 allDone:true timedOut:false

mail.u-tokyo.ac.jp

MXmail-utokyo-ac-jp01e.mail.protection.outlook.com
A2a01:111:f403:cc1a::1 πŸ‡―πŸ‡΅ Microsoft
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A2a01:111:f403:cc1a::2 πŸ‡―πŸ‡΅ Microsoft
PTRmail-tyvp286cu00302.inbound.protection.outlook.com
A2a01:111:f403:cc1a::3 πŸ‡―πŸ‡΅ Microsoft
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc24:: πŸ‡―πŸ‡΅ Microsoft
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.0πŸ‡―πŸ‡΅ Microsoft
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A52.101.124.1πŸ‡―πŸ‡΅ Microsoft
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A52.101.124.5πŸ‡―πŸ‡΅ Microsoft
PTRmail-tyvp286cu00305.inbound.protection.outlook.com
A52.101.157.11πŸ‡ΊπŸ‡Έ Microsoft
PTRmail-os0p286cu01203.inbound.protection.outlook.com
NSdns1.nc.u-tokyo.ac.jp
A2001:200:180::35:1 πŸ‡―πŸ‡΅ WIDE Project
PTRdns1.nc.u-tokyo.ac.jp
A133.11.0.1πŸ‡―πŸ‡΅ UTnet
PTRdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
A2001:2c0:ce07:f900::2 πŸ‡―πŸ‡΅ InfoSphere
A119.245.132.49πŸ‡―πŸ‡΅ InfoSphere
NSdns3.nc.u-tokyo.ac.jp
A2001:200:180::35:3 πŸ‡―πŸ‡΅ WIDE Project
PTRdns3.nc.u-tokyo.ac.jp
A157.82.0.1πŸ‡―πŸ‡΅ UTnet
PTRdns3.nc.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

mail.u-tokyo.ac.jp is a parent of gs.mail.u-tokyo.ac.jp.

mail.u-tokyo.ac.jp is delegated to three name servers: dns1.nc.u-tokyo.ac.jp, dns2.nc.u-tokyo.ac.jp and dns3.nc.u-tokyo.ac.jp.

At least part of the name servers for mail.u-tokyo.ac.jp are shared with other domains, for instance 41.11.133.in-addr.arpa, ms.u-tokyo.ac.jp, 2.11.133.in-addr.arpa, 251.69.130.in-addr.arpa and 11.11.133.in-addr.arpa.

these name servers are commonly used with the name servers ns1.t.u-tokyo.ac.jp, ns.a.u-tokyo.ac.jp, ns1.s.u-tokyo.ac.jp, ns2.s.u-tokyo.ac.jp, penguin.iis.u-tokyo.ac.jp, dns101.ecc.u-tokyo.ac.jp, dns.ecc.u-tokyo.ac.jp, ns-e6.keisu.t.u-tokyo.ac.jp, edusan.p.u-tokyo.ac.jp and i-ns.i.u-tokyo.ac.jp.

Host names with two IP numbers:

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

The mail server for mail.u-tokyo.ac.jp is mail-utokyo-ac-jp01e.mail.protection.outlook.com.

mail-utokyo-ac-jp01e.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc24::, 52.101.124.0, 52.101.124.1, 52.101.124.5 and 52.101.157.11.

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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