net.keio.org - robtex.com

net.keio.org

DNSSEC⚠️ Not signed
A131.113.218.10🇯🇵 KEIO-NET131.113.0.0/16 Keio University, Japan
PTRnet.keio.org
PTRk12.keio-e.ed.jp
PTRk12.k12.keio.ac.jp

keio.org

DNSSEC⚠️ Not signed
A131.113.218.247🇯🇵 KEIO-NET131.113.0.0/16 Keio University, Japan
NSns31.worldnic.com ⭐
NSns32.worldnic.com
SOANS31.WORLDNIC.COMnamehost@WORLDNIC@COM serial=124100502

PTR for

10.218.113.131.in-addr.arpa

Same first word

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DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A131.113.218.10
●A131.113.218.102015-06-22 → 2026-05-11 · 2 obs
● 2015-06-22 01:09:56
● 2026-05-11 23:47:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
keio.orgns32.worldnic.com, ns31.worldnic.com-

✅ Authoritative Response

Server:162.159.26.212

NS records: ns32.worldnic.com, ns31.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keio.org (unsigned zone)

⏱️ Timing

Total: 556ms | Queries: -

📄 Records

TypeCountSample Data
A1131.113.218.10

Analysis

IP Addresses

net.keio.org points to a single IP: 131.113.218.10.

Other host names such as keio-e.ed.jp, k12.keio.ac.jp, k12.k12.keio.ac.jp and k12.keio-e.ed.jp share IP numbers with net.keio.org.