mx.kutsuma.co.jp - robtex.com

mx.kutsuma.co.jp

DNSSEC⚠️ Not signed
A160.251.229.92🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRmx-06.gmoserver.jp

kutsuma.co.jp

DNSSEC⚠️ Not signed
A160.251.229.82🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
NSdns01.gmoserver.jp
NSdns02.gmoserver.jp
MXmx.kutsuma.co.jp
TXTv=spf1 include:spf.gmoserver.jp ~all
SOAdns01.gmoserver.jphostmaster@kutsuma.co.jp 2016-07-29 #2
WOT: SAFE (62/100)
WOT: SAFE (68/100)

MX for

Same first word

Similar names

DNS History

2 records (1 active, 1 former)

2017201820192020202120222023202420252026A160.251.229.92157.7.144.14
A157.7.144.142016-12-12 → 2016-12-12 · 3 obs
● 2016-12-12 04:45:26
○ 2026-03-14 16:49:46
○ 2026-07-13 08:11:50
A160.251.229.922026-03-14 → 2026-07-13 · 3 obs
○ 2016-12-12 04:45:26
● 2026-03-14 16:49:46
● 2026-07-13 08:11:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, g.dns.jp, b.dns.jp, d.dns.jp...-
kutsuma.co.jpdns01.gmoserver.jp, dns02.gmoserver.jp-

✅ Authoritative Response

Server:157.7.33.81

NS records: dns01.gmoserver.jp, dns02.gmoserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kutsuma.co.jp (unsigned zone)

⏱️ Timing

Total: 1458ms | Queries: -

📄 Records

TypeCountSample Data
A1160.251.229.92

Analysis

Mail Server Role

Mail for kutsuma.co.jp is routed through the mail server mx.kutsuma.co.jp.

IP Addresses

mx.kutsuma.co.jp has exactly one IP address — 160.251.229.92.

mx.kingkong.asia, mail.dentsu-ip.co.jp, mx.toyo-green.com plus two other host names have IP numbers in common with mx.kutsuma.co.jp.