DNSWHOIS.INFO - phys.keio.ac.jp

Search for IP or hostnames:

phys.keio.ac.jp checked at 2025-10-21T22:33:45.044Z 437ms 91/91/91 100% R:20

`phys.keio.ac.jp`

NS	`ns0.keio.ac.jp`
		A	2001:df0:eb:e14::3 ^{🇯🇵 KEIO-NET}
			PTR	`ns0.keio.ac.jp`
		A	131.113.132.3^{🇯🇵 KEIO-NET}
			PTR	`ns0.keio.ac.jp`
NS	`ns1.keio.ac.jp`
		A	2001:df0:eb:e14::4 ^{🇯🇵 KEIO-NET}
			PTR	`ns1.keio.ac.jp`
		A	131.113.132.4^{🇯🇵 KEIO-NET}
			PTR	`ns1.keio.ac.jp`
NS	`ns9.keio.ac.jp`
		A	2403:3a00:202:190a:133:167:67:76 ^{🇯🇵 SAKURA internet AS9371}
			PTR	`ns9.keio.ac.jp`
		A	133.167.67.76^{🇯🇵 SAKURA internet AS9371}
			PTR	`ns9.keio.ac.jp`
MX	`kphys.sakura.ne.jp`
		A	49.212.235.225^{🇯🇵 SAKURA internet AS9371}
			PTR	`www3485.sakura.ne.jp`
A	131.113.44.1^{🇯🇵 KEIO-NET}
		PTR	`phys-relay.phys.keio.ac.jp`

`keio.ac.jp`

	NS	`a1-123.akam.net`
	NS	`a14-66.akam.net`
	NS	`a26-67.akam.net`
	NS	`a3-64.akam.net`
	NS	`a4-65.akam.net`
	NS	`a5-66.akam.net`
	MX	`vmx2.m0.keio.ac.jp`
	A	2001:df0:eb:e0f:131:113:131:113 ^{🇯🇵 KEIO-NET}
	A	131.113.131.113^{🇯🇵 KEIO-NET}

rank #3657 globally
rank #55 in the tld
This domain name represents Keio University, a private, comprehensive higher education institution located in Minato, Tokyo, Japan. It is one of the oldest and most prestigious universities in Japan, known for its globally recognized research and academic programs. The ".ac.jp" indicates that it is an academic institution in Japan.

Up

ukac0.phys.keio.ac.jp

ssmac0.phys.keio.ac.jp

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knstu2tk.phys.keio.ac.jp

okabamar.phys.keio.ac.jp

chushi0.phys.keio.ac.jp

gjlw0.phys.keio.ac.jp

nkbphys4.phys.keio.ac.jp

www.phys.keio.ac.jp

mymc1.phys.keio.ac.jp

knstu1tk.phys.keio.ac.jp

phys-relay.phys.keio.ac.jp

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AI analysis

phys.keio.ac.jp is a parent of ukac0.phys.keio.ac.jp, ssmac0.phys.keio.ac.jp, nkbphys7.phys.keio.ac.jp, knstu2tk.phys.keio.ac.jp and okabamar.phys.keio.ac.jp, plus a few other host names.

phys.keio.ac.jp resolves to one IP number: 131.113.44.1.

Other host names, for example phys-relay.phys.keio.ac.jp, share IP numbers with phys.keio.ac.jp.

phys.keio.ac.jp is delegated to three name servers: ns0.keio.ac.jp, ns1.keio.ac.jp and ns9.keio.ac.jp.

phys.keio.ac.jp at least partially shares name servers with other domains, including 238.113.131.in-addr.arpa, cc.keio.ac.jp, fbc.mita.keio.ac.jp, 122.113.131.in-addr.arpa and mita.itc.keio.ac.jp.

These name servers are commonly used with ns0.sfc.keio.ac.jp, ns01.sfc.keio.ac.jp, ns02.sfc.keio.ac.jp, k12.keio-e.ed.jp, boston.yochisha.keio.ac.jp and uni.arc.ics.keio.ac.jp.

Host names with two IP numbers:

ns0.keio.ac.jp: 2001:df0:eb:e14::3 and 131.113.132.3

ns1.keio.ac.jp: 2001:df0:eb:e14::4 and 131.113.132.4

ns9.keio.ac.jp: 2403:3a00:202:190a:133:167:67:76 and 133.167.67.76

A single mail server handles phys.keio.ac.jp, kphys.sakura.ne.jp.

phys.keio.ac.jp shares the same mail server setup as other domains, for example kphys.sakura.ne.jp.

Host name kphys.sakura.ne.jp resolves to a single IP: 49.212.235.225.

dbq