WWW.RTSAK.COM - phys.keio.ac.jp

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phys.keio.ac.jp checked at 2025-10-11T08:56:42.350Z 474ms 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

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chushi0.phys.keio.ac.jp

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www.phys.keio.ac.jp

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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 points to a single IP number: 131.113.44.1.

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

The domain 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 shares name servers with other domains at least partially, for instance 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, mail.kmd.keio.ac.jp and server1.kmd.keio.ac.jp.

Host names with two IP numbers:

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

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

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

The mail server for phys.keio.ac.jp is kphys.sakura.ne.jp.

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

Host name kphys.sakura.ne.jp resolves to IP 49.212.235.225.

dbq