mx.lightcore.jp - dns.ninja

mx.lightcore.jp

DNSSEC⚠️ Not signed
A133.242.66.17🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRmx.colgis.com

lightcore.jp

DNSSEC⚠️ Not signed
A133.242.66.12🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
NSns.lightcore.jp ⭐
NSns1.colgis.com
NSns2.colgis.com
MXmx.lightcore.jp ⭐
TXTv=spf1 +ip4:133.242.66.0/27 +ip4:59.106.235.32/27 +ip4:118.243.223.241 ~all
SOAns.lightcore.jpadmin@lightcore.jp 2026-01-01 #3

MX for

lightcore.jp

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A133.242.66.17118.67.76.104
○A118.67.76.1042015-07-19 → 2016-02-29 · 4 obs
● 2015-07-19 07:56:40
● 2016-02-29 06:33:34
○ 2016-06-23 10:29:58
○ 2026-08-12 14:49:42
●A133.242.66.172016-06-23 → 2026-08-12 · 3 obs
○ 2016-02-29 06:33:34
● 2016-06-23 10:29:58
● 2026-08-12 14:49:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
lightcore.jpns1.colgis.com, ns2.colgis.com-

✅ Authoritative Response

Server:59.106.235.37

NS records: ns1.colgis.com, ns2.colgis.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lightcore.jp (unsigned zone)

⏱️ Timing

Total: 1304ms | Queries: -

📄 Records

TypeCountSample Data
A1133.242.66.17

Analysis

Mail Server Role

lightcore.jp uses mx.lightcore.jp as a mail server.

IP Addresses

mx.lightcore.jp resolves to one IP address: 133.242.66.17.

mail.osakana-shiire.com, mx.essere.jp, mx.netmagician.net and two other host names share IP numbers with mx.lightcore.jp.