WWW.RTSAK.COM - csis.u-tokyo.ac.jp

Search for IP or hostnames:

csis.u-tokyo.ac.jp checked at 2025-11-06T23:11:40.123Z 787ms 105/105/105 100% R:29

`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::2 ^{🇯🇵 Microsoft}
			PTR	`mail-tyvp286cu00302.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::3 ^{🇯🇵 Microsoft}
			PTR	`mail-tyvp286cu00203.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f:: ^{🇯🇵 Microsoft}
			PTR	`mail-os9p286cu00100.inbound.protection.outlook.com`
		A	52.101.124.0^{🇯🇵 Microsoft}
			PTR	`mail-tycp286cu02600.inbound.protection.outlook.com`
		A	52.101.124.1^{🇯🇵 Microsoft}
			PTR	`mail-ty3p286cu00101.inbound.protection.outlook.com`
		A	52.101.157.11^{🇺🇸 Microsoft}
			PTR	`mail-os0p286cu01203.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^{🇯🇵 U-TOKYO}
			PTR	`dns.csis.u-tokyo.ac.jp`
NS	`dns1.nc.u-tokyo.ac.jp`
		A	2001:200:180::35:1 ^{🇯🇵 WIDE}
			PTR	`dns1.nc.u-tokyo.ac.jp`
		A	133.11.0.1^{🇯🇵 U-TOKYO}
			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}
			PTR	`dns3.nc.u-tokyo.ac.jp`
		A	157.82.0.1^{🇯🇵 U-TOKYO}
			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

dns.csis.u-tokyo.ac.jp

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 has children 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.

csis.u-tokyo.ac.jp at least partially shares name servers with other domains such as 6.11.133.in-addr.arpa, 154.82.157.in-addr.arpa, ecc.u-tokyo.ac.jp, lsn.u-tokyo.ac.jp and 174.11.133.in-addr.arpa.

These name servers are often used together with penguin.iis.u-tokyo.ac.jp, ns1.s.u-tokyo.ac.jp, ns2.s.u-tokyo.ac.jp, ns1.t.u-tokyo.ac.jp, dns101.ecc.u-tokyo.ac.jp, dns.ecc.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.

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.

Host names with one IP number:

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

csis.u-tokyo.ac.jp is handled by a single mail server, 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::2, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::, 52.101.124.0, 52.101.124.1, 52.101.157.11 and 52.101.157.40.

dbq