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

Search for IP or hostnames:

csis.u-tokyo.ac.jp checked at 2025-10-16T04:48:58.698Z 966ms 105/105/105 100% R:30

`csis.u-tokyo.ac.jp`

MX	`csis-utokyo-ac-jp01e.mail.protection.outlook.com`
		A	2a01:111:f403:cc1a:: ^{🇯🇵 Microsoft}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::1 ^{🇯🇵 Microsoft}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::2 ^{🇯🇵 Microsoft}
			PTR	`mail-tyvp286cu00302.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f:: ^{🇯🇵 Microsoft}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
		A	52.101.124.5^{🇯🇵 Microsoft}
			PTR	`mail-tyvp286cu00305.inbound.protection.outlook.com`
		A	52.101.124.6^{🇯🇵 Microsoft}
			PTR	`mail-tyvp286cu00206.inbound.protection.outlook.com`
		A	52.101.157.10^{🇺🇸 Microsoft}
			PTR	`mail-os0p286cu01302.inbound.protection.outlook.com`
		A	52.101.157.40^{🇺🇸 Microsoft}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
NS	`dns.csis.u-tokyo.ac.jp`
		A	157.82.223.2^{🇯🇵 UTnet}
			PTR	`dns.csis.u-tokyo.ac.jp`
NS	`dns1.nc.u-tokyo.ac.jp`
		A	2001:200:180::35:1 ^{🇯🇵 WIDE Project}
			PTR	`dns1.nc.u-tokyo.ac.jp`
		A	133.11.0.1^{🇯🇵 UTnet}
			PTR	`dns1.nc.u-tokyo.ac.jp`
NS	`dns2.nc.u-tokyo.ac.jp`
		A	2001:2c0:ce07:f900::2 ^{🇯🇵 NTT PC Communications (InfoSphere)}
		A	119.245.132.49^{🇯🇵 NTT PC Communications (InfoSphere)}
NS	`dns3.nc.u-tokyo.ac.jp`
		A	2001:200:180::35:3 ^{🇯🇵 WIDE Project}
			PTR	`dns3.nc.u-tokyo.ac.jp`
		A	157.82.0.1^{🇯🇵 UTnet}
			PTR	`dns3.nc.u-tokyo.ac.jp`

`u-tokyo.ac.jp`

	NS	`dns-x.sinet.ad.jp`
	NS	`dns1.nc.u-tokyo.ac.jp`
	NS	`dns2.nc.u-tokyo.ac.jp`
	NS	`dns3.nc.u-tokyo.ac.jp`
	MX	`utmail3.nc.u-tokyo.ac.jp`
	MX	`utmail4.nc.u-tokyo.ac.jp`
	MX	`utmail5.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.

Up

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mail.csis.u-tokyo.ac.jp

home.csis.u-tokyo.ac.jp

sanet.csis.u-tokyo.ac.jp

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AI analysis

csis.u-tokyo.ac.jp is parent of dns.csis.u-tokyo.ac.jp, mail.csis.u-tokyo.ac.jp, home.csis.u-tokyo.ac.jp and sanet.csis.u-tokyo.ac.jp.

csis.u-tokyo.ac.jp is delegated to four name servers: dns.csis.u-tokyo.ac.jp, 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 csis.u-tokyo.ac.jp are shared with other domains, for instance 154.82.157.in-addr.arpa, ecc.u-tokyo.ac.jp, lsn.u-tokyo.ac.jp, 174.11.133.in-addr.arpa and 155.82.157.in-addr.arpa.

these name servers are commonly used with the name servers ns1.t.u-tokyo.ac.jp, penguin.iis.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, ns.a.u-tokyo.ac.jp, ns-e6.keisu.t.u-tokyo.ac.jp, dnsserver02.ecc.u-tokyo.ac.jp and dnsserver03.ecc.u-tokyo.ac.jp.

Two IP numbers per host:

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.

One IP number per host:

dns.csis.u-tokyo.ac.jp points to 157.82.223.2.

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

csis-utokyo-ac-jp01e.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1f::, 52.101.124.5, 52.101.124.6, 52.101.157.10 and 52.101.157.40.

dbq