IPLIST.NET - sd.keio.ac.jp

Search for IP or hostnames:

sd.keio.ac.jp checked at 2025-11-17T22:21:16.858Z 1031ms 88/88/88 100% R:13 allDone:true timedOut:false

`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-C}
			PTR	`ns9.keio.ac.jp`
		A	133.167.67.76^{🇯🇵 SAKURA-C}
			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

west.sd.keio.ac.jp

sum.sd.keio.ac.jp

yt.sd.keio.ac.jp

rapid4.sd.keio.ac.jp

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nl.sd.keio.ac.jp

kohiyama.sd.keio.ac.jp

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Starts similarily

sd.bike

ds.express

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sd.nl

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AI analysis

sd.keio.ac.jp has children including 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 a single IP address: 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.

At least part of the name servers for sd.keio.ac.jp are shared 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 and boston.yochisha.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 sd.keio.ac.jp is sdsrv.sd.keio.ac.jp.

Host sdsrv.sd.keio.ac.jp points to IP 111.89.138.116.

dbq