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

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user.keio.ac.jp checked at 2025-10-16T17:47:19.829Z 667ms 89/89/89 100% R:22

`user.keio.ac.jp`

MX	`.`
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`
A	2001:df0:eb:8111::72 ^{🇯🇵 KEIO-NET}
		PTR	`rw02.educ.cc.keio.ac.jp`
A	131.113.108.72^{🇯🇵 KEIO-NET}
		PTR	`rw02.educ.cc.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

vw02.user.keio.ac.jp

license0.user.keio.ac.jp

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AI analysis

user.keio.ac.jp is parent of vw02.user.keio.ac.jp and license0.user.keio.ac.jp.

user.keio.ac.jp points to two IP numbers: 2001:df0:eb:8111::72 and 131.113.108.72.

Other host names, for instance rw02.educ.cc.keio.ac.jp, share IP numbers with user.keio.ac.jp.

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

user.keio.ac.jp at least partially shares its name servers with other domains, for instance slis.keio.ac.jp, 180.113.131.in-addr.arpa, hc.cc.keio.ac.jp, mediacom.keio.ac.jp and 211.113.131.in-addr.arpa.

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

user.keio.ac.jp is served by a single mail server, ..

user.keio.ac.jp uses the same mail server setup as other domains such as embarrass20.freedomlion.com, hsd.io, luxuryvillages.com, mail.windsurfholidays.com and anyeewell.com.

dbq