o-ca.jp - robtex.com

o-ca.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.o-ca.jp ⭐
A160.251.229.93🇯🇵 GMOOSK-NET160.251.229.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRmx-07.gmoserver.jp
TXTv=spf1 include:spf.gmoserver.jp ~all
SOAdns01.gmoserver.jphostmaster@o-ca.jp 2021-12-07 #16

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=1774629903

Subdomains

mx.o-ca.jp

Same first word

o-ca.jp
o-ca.com

Similar names

ac-o.de
a-co.net
a-co.se
a-co.ru
ao-c.com
a-co.de
co-a.de
a-co.fr
c-oa.com
a-co.eu
ao-c.eu
ca-o.com
co-a.xin
co-a.ch
a-co.in
co-a.net
a-co.co
a-oc.eu
a-co.com
a-oc.com
a-co.ge
a-co.pl
co-a.org
co-a.com
a-oc.net
ac-o.com
oa-c.co.uk

DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026NSdns01.gmoserver.jpdns02.gmoserver.jpMXmx.o-ca.jpA160.251.229.82157.7.144.5
●NSdns01.gmoserver.jp2015-08-06 → 2026-03-27 · 2 obs
● 2015-08-06 01:13:52
● 2026-03-27 17:05:00
●NSdns02.gmoserver.jp2015-08-06 → 2026-03-27 · 2 obs
● 2015-08-06 01:13:52
● 2026-03-27 17:05:00
●MXmx.o-ca.jp2015-08-06 → 2026-03-27 · 2 obs
● 2015-08-06 01:13:52
● 2026-03-27 17:05:00
○A157.7.144.52015-08-06 → 2017-07-18 · 4 obs
● 2015-08-06 01:13:52
● 2017-07-18 19:04:28
○ 2026-03-22 00:54:20
○ 2026-03-27 17:05:00
●A160.251.229.822026-03-22 → 2026-03-27 · 3 obs
○ 2017-07-18 19:04:28
● 2026-03-22 00:54:20
● 2026-03-27 17:05:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, a.dns.jp, g.dns.jp, c.dns.jp...-
o-ca.jpdns02.gmoserver.jp, dns01.gmoserver.jp-

✅ Authoritative Response

Server:157.7.33.81

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for o-ca.jp (unsigned zone)

⏱️ Timing

Total: 1563ms | Queries: -

📄 Records

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

Analysis

Hierarchy

o-ca.jp is the parent of mx.o-ca.jp.

IP Addresses

o-ca.jp resolves to a single IP address: 160.251.229.82.

Other host names including a-r-d.biz, shimeharitsuru.co.jp, bkgenga.com, squairone.com and dc1962.com share IP numbers with o-ca.jp.

Name Servers

o-ca.jp's delegation uses two name servers, dns01.gmoserver.jp and dns02.gmoserver.jp.

o-ca.jp shares the same name server setup as other domains, for example t-mental.com, saxjapan.com, system-echo.com, candc.bz and akadori.com.

o-ca.jp at least partially shares name servers with other domains, for example senrigroup.co.jp, kiyohara-fp.co.jp and daiwa-r-e.co.jp.

Host names with a single IP:

dns01.gmoserver.jp points to 157.7.33.81.

dns02.gmoserver.jp points to 157.7.34.81.

Mail Servers

o-ca.jp is handled by a single mail server, mx.o-ca.jp.

mx.o-ca.jp points to a single IP: 160.251.229.93.