CF1762877122371-tsm20251109205412

IPLIST.NET - flet.keio.ac.jp

Search for IP or hostnames:

flet.keio.ac.jp checked at 2025-11-11T16:05:22.343Z 625ms 94/94/94 100% R:25 allDone:true timedOut:false

flet.keio.ac.jp

NSns0.keio.ac.jp
A2001:df0:eb:e14::3 🇯🇵 KEIO-NET
PTRns0.keio.ac.jp
A131.113.132.3🇯🇵 KEIO-NET
PTRns0.keio.ac.jp
NSns1.keio.ac.jp
A2001:df0:eb:e14::4 🇯🇵 KEIO-NET
PTRns1.keio.ac.jp
A131.113.132.4🇯🇵 KEIO-NET
PTRns1.keio.ac.jp
NSns9.keio.ac.jp
A2403:3a00:202:190a:133:167:67:76 🇯🇵 SAKURA-C
PTRns9.keio.ac.jp
A133.167.67.76🇯🇵 SAKURA-C
PTRns9.keio.ac.jp
MXmx0.mita.keio.ac.jp
A2001:df0:eb:2106::180 🇯🇵 KEIO-NET
PTRmx0.mita.keio.ac.jp
A131.113.192.180🇯🇵 KEIO-NET
PTRmx0.mita.keio.ac.jp
MXmx1.mita.keio.ac.jp
A2001:df0:eb:2106::181 🇯🇵 KEIO-NET
PTRmx1.mita.keio.ac.jp
A131.113.192.181🇯🇵 KEIO-NET
PTRmx1.mita.keio.ac.jp

keio.ac.jp

NSa1-123.akam.net
NSa14-66.akam.net
NSa26-67.akam.net
NSa3-64.akam.net
NSa4-65.akam.net
NSa5-66.akam.net
MXvmx2.m0.keio.ac.jp
A2001:df0:eb:e0f:131:113:131:113 🇯🇵 KEIO-NET
A131.113.131.113🇯🇵 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.

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AI analysis

The parent of www.flet.keio.ac.jp, characin.flet.keio.ac.jp, fs0.flet.keio.ac.jp, psy.flet.keio.ac.jp, baroco2.flet.keio.ac.jp and a few other host names is flet.keio.ac.jp.

flet.keio.ac.jp delegates to three name servers: ns0.keio.ac.jp, ns1.keio.ac.jp and ns9.keio.ac.jp.

flet.keio.ac.jp shares some name servers with other domains, for example 135.113.131.in-addr.arpa, user.keio.ac.jp, 216.113.131.in-addr.arpa, ayu.ics.keio.ac.jp and 69.113.131.in-addr.arpa.

These name servers are commonly used alongside ns0.sfc.keio.ac.jp, ns01.sfc.keio.ac.jp, ns02.sfc.keio.ac.jp and ns1.am.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

flet.keio.ac.jp is served by two mail servers: mx0.mita.keio.ac.jp and mx1.mita.keio.ac.jp.

flet.keio.ac.jp shares the mail server setup with other domains, for example fmc.keio.ac.jp, icl.keio.ac.jp, kgc.keio.ac.jp, econ.keio.ac.jp and fs0.law.keio.ac.jp.

Host names with two IP numbers:

mx0.mita.keio.ac.jp points to: 2001:df0:eb:2106::180 and 131.113.192.180; mx1.mita.keio.ac.jp points to: 2001:df0:eb:2106::181 and 131.113.192.181.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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