kutsuma.co.jp - robtex.com

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
PTRwww.gmoserver.jp
NSdns01.gmoserver.jp ⭐
A157.7.33.81🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTRdns01.gmoserver.jp
NSdns02.gmoserver.jp
A157.7.34.81🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTRdns02.gmoserver.jp
MXmx.kutsuma.co.jp ⭐
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
TXTv=spf1 include:spf.gmoserver.jp ~all
SOAdns01.gmoserver.jphostmaster@kutsuma.co.jp 2016-07-29 #2

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (68/100)
WOT: SAFE (58/100)

Previously MX for

kutsuma.co.jp

Subdomains

www.kutsuma.co.jp
mx.kutsuma.co.jp

Same first word

kutsuma.co.jp

Similar names

samtuku.tl
takumus.com
mutsuka.com
tamsuku.fi
tsukamu.com
katsumu.com
kumusta.at
kumatsu.de

DNS History

9 records (4 active, 5 former)

200920112013201520172019202120232025NSdns01.gmoserver.jpdns02.gmoserver.jpns3.sphere.ad.jpns4.sphere.ad.jpMXmx.kutsuma.co.jpkutsuma.co.jpA160.251.229.82202.212.244.12249.212.20.159
●NSdns01.gmoserver.jp2015-08-14 → 2026-07-12 · 3 obs
○ 2008-11-29 10:34:58
● 2015-08-14 03:34:56
● 2026-07-12 09:22:52
●NSdns02.gmoserver.jp2015-08-14 → 2026-07-12 · 3 obs
○ 2008-11-29 10:34:58
● 2015-08-14 03:34:56
● 2026-07-12 09:22:52
○NSns3.sphere.ad.jp2008-11-29 → 2008-11-29 · 3 obs
● 2008-11-29 10:34:58
○ 2015-08-14 03:34:56
○ 2026-07-12 09:22:52
○NSns4.sphere.ad.jp2008-11-29 → 2008-11-29 · 3 obs
● 2008-11-29 10:34:58
○ 2015-08-14 03:34:56
○ 2026-07-12 09:22:52
○MXkutsuma.co.jp2008-11-29 → 2008-11-29 · 3 obs
● 2008-11-29 10:34:58
○ 2015-08-14 03:34:56
○ 2026-07-12 09:22:52
●MXmx.kutsuma.co.jp2015-08-14 → 2026-07-12 · 3 obs
○ 2008-11-29 10:34:58
● 2015-08-14 03:34:56
● 2026-07-12 09:22:52
●A160.251.229.822026-03-14 → 2026-07-12 · 3 obs
○ 2018-10-03 19:41:32
● 2026-03-14 16:49:46
● 2026-07-12 09:22:52
○A202.212.244.1222008-11-29 → 2008-11-29 · 3 obs
● 2008-11-29 10:34:58
○ 2015-08-14 03:34:56
○ 2026-07-12 09:22:52
○A49.212.20.1592015-08-14 → 2018-10-03 · 5 obs
○ 2008-11-29 10:34:58
● 2015-08-14 03:34:56
● 2018-10-03 19:41:32
○ 2026-03-14 16:49:46
○ 2026-07-12 09:22:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
kutsuma.co.jpdns01.gmoserver.jp, dns02.gmoserver.jp-

✅ Authoritative Response

Server:157.7.34.81

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1325ms | Queries: -

📄 Records

TypeCountSample Data
A1160.251.229.82
NS2dns01.gmoserver.jp, dns02.gmoserver.jp
MX1mx.kutsuma.co.jp (pri: 10)
TXT1v=spf1 include:spf.gmoserver.jp ~all
SOA1dns01.gmoserver.jp hostmaster.kutsuma.co

Analysis

Hierarchy

kutsuma.co.jp serves as the parent of www.kutsuma.co.jp and mx.kutsuma.co.jp.

IP Addresses

kutsuma.co.jp has exactly one IP address — 160.251.229.82.

katodashi.com, vgp.jp, vvm.jp plus two other host names have IP numbers in common with kutsuma.co.jp.

Name Servers

The NS records for kutsuma.co.jp delegate to dns01.gmoserver.jp and dns02.gmoserver.jp.

The name server configuration of kutsuma.co.jp is shared with other domains, for instance r-ize.com, hlang.com, antsworks.work and two others.

The name servers for kutsuma.co.jp overlap at least in part with those of other domains, including cmr-f.com and stage-p.co.jp.

Both dns01.gmoserver.jp and dns02.gmoserver.jp have a single IP address each — dns01.gmoserver.jp resolves to 157.7.33.81 while dns02.gmoserver.jp resolves to 157.7.34.81.

Mail Servers

kutsuma.co.jp uses one mail server — mx.kutsuma.co.jp.

mx.kutsuma.co.jp resolves to 160.251.229.92 and no other IP number.