ns.keio.org - robtex.com

ns.keio.org

DNSSEC⚠️ Not signed
A131.113.218.247🇯🇵 KEIO-NET131.113.0.0/16 Keio University, Japan
PTRboston.tufts.jp
PTRns.keio.org
PTRboston.yochisha.keio.ac.jp
PTRtufts.yochisha.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

247.218.113.131.in-addr.arpa

Previously MX for

keio.org

Same first word

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DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A131.113.218.247
●A131.113.218.2472015-07-10 → 2026-05-11 · 2 obs
● 2015-07-10 23:15:42
● 2026-05-11 05:05:30

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:162.159.27.146

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keio.org (unsigned zone)

⏱️ Timing

Total: 290ms | Queries: -

📄 Records

TypeCountSample Data
A1131.113.218.247

Analysis

IP Addresses

ns.keio.org points to a single IP: 131.113.218.247.

Other host names, for example keio.org, boston.yochisha.keio.ac.jp, law.keio.org and yochisha.keio.ac.jp share IP numbers with ns.keio.org.