CF1761621163923-tsm20251027103946

IPLIST.NET - 51.113.131.in-addr.arpa

Search for IP or hostnames:

51.113.131.in-addr.arpa checked at 2025-10-28T03:12:43.900Z 732ms 58/58/58 100% R:20

51.113.131.in-addr.arpa

NSns1.keio.a.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
NSgate.mos.ics.keio.ac.jp
A131.113.51.2🇯🇵 KEIO-NET
PTRgate.mos.ics.keio.ac.jp
MXmail.mos.ics.keio.ac.jp
A211.2.164.68🇯🇵 NTT PC Communications (InfoSphere)
PTRv0800-068.mailsecure.jp

113.131.in-addr.arpa

NSns0.keio.ac.jp
NSns1.keio.ac.jp
NSns9.keio.ac.jp

Up

Starts with same word

Starts similarily

AI analysis

51.113.131.in-addr.arpa is a parent of 1.51.113.131.in-addr.arpa, 38.51.113.131.in-addr.arpa, 27.51.113.131.in-addr.arpa, 24.51.113.131.in-addr.arpa, 35.51.113.131.in-addr.arpa and a few other host names.

51.113.131.in-addr.arpa is delegated to three name servers: ns1.keio.a.jp, ns0.keio.ac.jp and gate.mos.ics.keio.ac.jp.

51.113.131.in-addr.arpa at least partially shares name servers with other domains, for instance yochisha.keio.ac.jp, 239.113.131.in-addr.arpa, sc.keio.ac.jp, 133.113.131.in-addr.arpa and elec.keio.ac.jp.

These name servers are commonly used alongside ns1.keio.ac.jp, ns9.keio.ac.jp, ns0.sfc.keio.ac.jp, k12.keio-e.ed.jp, boston.yochisha.keio.ac.jp, uni.arc.ics.keio.ac.jp, mail.kmd.keio.ac.jp, server1.kmd.keio.ac.jp, ns.dmclab.jp and ns.dmc.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.

Host names with one IP number:

gate.mos.ics.keio.ac.jp points to 131.113.51.2.

51.113.131.in-addr.arpa is handled by a single mail server, mail.mos.ics.keio.ac.jp.

mail.mos.ics.keio.ac.jp points to a single IP: 211.2.164.68.

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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