DNSWHOIS.INFO - sd.keio.ac.jp

Search for IP or hostnames:

sd.keio.ac.jp checked at 2025-10-23T08:26:28.791Z 417ms 88/88/88 100% R:16

`sd.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	`sdsrv.sd.keio.ac.jp`
		A	111.89.138.116^{🇯🇵 NTT PC Communications (InfoSphere)}
			PTR	`sd.keio.ac.jp`
A	111.89.138.116^{🇯🇵 NTT PC Communications (InfoSphere)}
		PTR	`sd.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.

PTR for

116.138.89.111.in-addr.arpa

Up

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sum.sd.keio.ac.jp

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rapid4.sd.keio.ac.jp

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nl.sd.keio.ac.jp

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Starts similarily

sd.bike

ds.express

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ds.sd

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ds.de

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AI analysis

sd.keio.ac.jp is a parent of west.sd.keio.ac.jp, sum.sd.keio.ac.jp, yt.sd.keio.ac.jp, rapid4.sd.keio.ac.jp, naga.sd.keio.ac.jp and a few other host names.

sd.keio.ac.jp points to IP number: 111.89.138.116.

Other host names, for instance sdsrv.sd.keio.ac.jp share IP numbers with sd.keio.ac.jp.

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

sd.keio.ac.jp at least partially shares name servers with other domains, for instance 104.113.131.in-addr.arpa, 122.113.131.in-addr.arpa, mita.itc.keio.ac.jp, 9.0.e.0.b.e.0.0.0.f.d.0.1.0.0.2.ip6.arpa and 27.133.in-addr.arpa.

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 ns0.keio.ac.jp points to 2001:df0:eb:e14::3 and 131.113.132.3; Host ns1.keio.ac.jp points to 2001:df0:eb:e14::4 and 131.113.132.4; Host ns9.keio.ac.jp points to 2403:3a00:202:190a:133:167:67:76 and 133.167.67.76.

sd.keio.ac.jp is handled by a single mail server, sdsrv.sd.keio.ac.jp.

sdsrv.sd.keio.ac.jp points to a single IP: 111.89.138.116.

dbq