gc21.jp - robtex.com

gc21.jp

DNSSEC⚠️ Not signed
A60.43.196.63🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
PTRgc21.jp
NSmwns1.customer.ne.jp ⭐
A210.150.23.210🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE
NSmwns2.customer.ne.jp
A202.17.152.183🇯🇵 InfoSphere202.17.128.0/19 INFOSPHERE
MXmwbgw1.ocn.ad.jp ⭐
A210.145.253.233🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
MXmwbgw2.ocn.ad.jp ⭐
A210.145.253.234🇯🇵 OCN210.145.0.0/16 (AS4713) CIDR BLOCK 18 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
TXTv=spf1 a include:_spf.bizmw.com ~all
SOAmwns1.customer.ne.jphost-plan-ac@ntt.com serial=1641489554

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1776079803

PTR for

63.196.43.60.in-addr.arpa

Same first word

gc21.de
gc21.jp

Similar names

gc12.net
cg21.com
1gc2.com
cg21.fr
21cg.de
cg12.com.br
gc12.org
g1c2.com
gc12.cn
2g1c.com
c21g.com
21cg.com
12cg.com
c12g.com
12cg.cn
gc12.com
cg12.fr
2g1c.de

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSmwns1.customer.ne.jpmwns2.customer.ne.jpns6-tk01.ocn.ad.jpns6-tk02.ocn.ad.jpMXmwbgw1.ocn.ad.jpmwbgw2.ocn.ad.jpvcgw1.ocn.ad.jpvcgw2.ocn.ad.jpA60.43.196.63
●NSmwns1.customer.ne.jp2026-04-04 → 2026-04-13 · 3 obs
○ 2016-12-09 00:50:48
● 2026-04-04 04:38:32
● 2026-04-13 12:09:08
●NSmwns2.customer.ne.jp2026-04-04 → 2026-04-13 · 3 obs
○ 2016-12-09 00:50:48
● 2026-04-04 04:38:32
● 2026-04-13 12:09:08
○NSns6-tk01.ocn.ad.jp2015-05-30 → 2016-12-09 · 4 obs
● 2015-05-30 08:33:30
● 2016-12-09 00:50:48
○ 2026-04-04 04:38:32
○ 2026-04-13 12:09:08
○NSns6-tk02.ocn.ad.jp2015-05-30 → 2016-12-09 · 4 obs
● 2015-05-30 08:33:30
● 2016-12-09 00:50:48
○ 2026-04-04 04:38:32
○ 2026-04-13 12:09:08
●MXmwbgw1.ocn.ad.jp2026-04-04 → 2026-04-13 · 3 obs
○ 2016-12-09 00:50:48
● 2026-04-04 04:38:32
● 2026-04-13 12:09:08
●MXmwbgw2.ocn.ad.jp2026-04-04 → 2026-04-13 · 3 obs
○ 2016-12-09 00:50:48
● 2026-04-04 04:38:32
● 2026-04-13 12:09:08
○MXvcgw1.ocn.ad.jp2015-05-30 → 2016-12-09 · 4 obs
● 2015-05-30 08:33:30
● 2016-12-09 00:50:48
○ 2026-04-04 04:38:32
○ 2026-04-13 12:09:08
○MXvcgw2.ocn.ad.jp2015-05-30 → 2016-12-09 · 4 obs
● 2015-05-30 08:33:30
● 2016-12-09 00:50:48
○ 2026-04-04 04:38:32
○ 2026-04-13 12:09:08
●A60.43.196.632026-04-04 → 2026-04-13 · 2 obs
● 2026-04-04 04:38:32
● 2026-04-13 12:09:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
gc21.jpmwns1.customer.ne.jp, mwns2.customer.ne.jp-

✅ Authoritative Response

Server:202.17.152.183

NS records: mwns1.customer.ne.jp, mwns2.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gc21.jp (unsigned zone)

⏱️ Timing

Total: 1754ms | Queries: -

📄 Records

TypeCountSample Data
A160.43.196.63
NS2mwns1.customer.ne.jp, mwns2.customer.ne.jp
MX2mwbgw2.ocn.ad.jp (pri: 10), mwbgw1.ocn.ad.jp (pri: 10)
TXT1v=spf1 a include:_spf.bizmw.com ~all
SOA1mwns1.customer.ne.jp host-plan-ac.ntt.co

Analysis

IP Addresses

gc21.jp points to an IP address: 60.43.196.63.

Name Servers

Two name servers mwns1.customer.ne.jp and mwns2.customer.ne.jp handle the delegation for gc21.jp.

gc21.jp shares the same name server setup as other domains, for instance remec.co.jp, ksspec.co.jp, fukushofudousan.co.jp, ritzwell.com and msc-corp.co.jp.

Host names with one IP:

mwns1.customer.ne.jp points to: 210.150.23.210

mwns2.customer.ne.jp points to: 202.17.152.183

Mail Servers

gc21.jp is handled by two mail servers: mwbgw1.ocn.ad.jp and mwbgw2.ocn.ad.jp.

gc21.jp uses the same mail server setup as other domains, for instance s-kc.jp, fueki.co.jp, shimizu543.jp, ts-co.net and wbn-org.com.

Host names with one IP:

mwbgw1.ocn.ad.jp points to: 210.145.253.233

mwbgw2.ocn.ad.jp points to: 210.145.253.234