cujo.jp - dns.ninja

cujo.jp

DNSSEC⚠️ Not signed
A13.231.14.237🇯🇵 Amazon13.230.0.0/15 EC2 NRT prefix
PTRsv01.j-dns.jp
NSns1.j-dns.jp ⭐
A13.231.14.237🇯🇵 Amazon13.230.0.0/15 EC2 NRT prefix
PTRsv01.j-dns.jp
NSns2.j-dns.jp
A3.1.199.252🇸🇬 Amazon3.0.0.0/15 EC2 SIN prefix
PTRns2.j-dns.jp
NSns3.j-dns.jp
A13.114.131.61🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix
PTRec2-13-114-131-61.ap-northeast-1.compute.amazonaws.com
NSns4.j-dns.jp
A100.20.49.22🇺🇸 Amazon100.20.0.0/14 EC2 PDX prefix
PTRec2-100-20-49-22.us-west-2.compute.amazonaws.com
MXcujo.jp ⭐
A13.231.14.237🇯🇵 Amazon13.230.0.0/15 EC2 NRT prefix
PTRsv01.j-dns.jp
SOAns1.j-dns.jproot@sv01.j-dns.jp 2026-04-06 #4

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=1783188003

MX for

cujo.jp

Same first word

cujo.it
cujo.be
cujo.nl
cujo.ro
cujo.dk
cujo.jp
cujo.com
cujo.de
cujo.com.uy
cujo.lu
cujo.ca
cujo.hu
cujo.co
cujo.net
cujo.io

Similar names

juco.ro
jocu.es
juco.ac.tz
juco.ru
cuoj.cn
cjou.dk
juco.de
juco.tempurl.host
ucoj.com
juco.co
juco.nl
jocu.com
jocu.ro
jocu.xyz
coju.be
juco.net
ojcu.com
juco.eu
jocu.com.mx
juco.it
jocu.ch
uocj.cn
juco.in
juco.club
juco.co.uk
jocu.org
cjuo.com
juco.org.br
juco.com.cn
ocuj.com
coju.net
jocu.com.cn
ocuj.es
ujco.net
uocj.com
coju.se
jocu.cn
coju.com
jouc.com
jcou.com
juco.org
juco.be
oujc.shop
juco.ch
juco.com
ocju.com
coju.mobi
jocu.de

DNS History

22 records (6 active, 16 former)

20162017201820192020202120222023202420252026NSns1.j-dns.jpns2.j-dns.jpns3.j-dns.jpns4.j-dns.jpdns1.p06.nsone.netdns2.p06.nsone.netdns3.p06.nsone.netdns4.p06.nsone.netns1.bluehost.comns2.bluehost.comMXcujo.jpA13.231.14.23734.243.182.6335.197.15.21635.203.168.10352.221.219.13552.67.115.17354.171.96.3254.250.174.9254.252.159.15867.207.94.14269.89.31.53
○NSdns1.p06.nsone.net2018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○NSdns2.p06.nsone.net2018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○NSdns3.p06.nsone.net2018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○NSdns4.p06.nsone.net2018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○NSns1.bluehost.com2015-08-12 → 2016-12-29 · 4 obs
● 2015-08-12 11:38:20
● 2016-12-29 09:11:30
○ 2018-06-24 07:56:00
○ 2026-07-04 18:46:40
●NSns1.j-dns.jp2026-06-05 → 2026-07-04 · 3 obs
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-07-04 18:46:40
○NSns2.bluehost.com2015-08-12 → 2016-12-29 · 4 obs
● 2015-08-12 11:38:20
● 2016-12-29 09:11:30
○ 2018-06-24 07:56:00
○ 2026-07-04 18:46:40
●NSns2.j-dns.jp2026-06-05 → 2026-07-04 · 3 obs
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-07-04 18:46:40
●NSns3.j-dns.jp2026-06-05 → 2026-07-04 · 3 obs
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-07-04 18:46:40
●NSns4.j-dns.jp2026-06-05 → 2026-07-04 · 3 obs
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-07-04 18:46:40
●MXcujo.jp2015-08-12 → 2026-07-04 · 5 obs
● 2015-08-12 11:38:20
● 2016-12-29 09:11:30
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-07-04 18:46:40
●A13.231.14.2372026-06-05 → 2026-07-04 · 3 obs
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-07-04 18:46:40
○A34.243.182.632018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○A35.197.15.2162018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○A35.203.168.1032018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○A52.221.219.1352018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○A52.67.115.1732018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○A54.171.96.322018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○A54.250.174.922018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○A54.252.159.1582018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○A67.207.94.1422018-06-24 → 2018-06-24 · 4 obs
○ 2016-12-29 09:11:30
● 2018-06-24 07:56:00
○ 2026-06-05 19:39:20
○ 2026-07-04 18:46:40
○A69.89.31.532015-08-12 → 2016-12-29 · 4 obs
● 2015-08-12 11:38:20
● 2016-12-29 09:11:30
○ 2018-06-24 07:56:00
○ 2026-07-04 18:46:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpf.dns.jp, a.dns.jp, h.dns.jp, d.dns.jp...-
cujo.jpns4.j-dns.jp, ns3.j-dns.jp, ns1.j-dns.jp, ns2.j-dns.jp4 records

✅ Authoritative Response

Server:3.1.199.252

NS records: ns4.j-dns.jp, ns3.j-dns.jp, ns1.j-dns.jp, ns2.j-dns.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cujo.jp (unsigned zone)

⏱️ Timing

Total: 988ms | Queries: -

📄 Records

TypeCountSample Data
A113.231.14.237
NS4ns1.j-dns.jp, ns3.j-dns.jp...
MX1cujo.jp (pri: 0)
SOA1ns1.j-dns.jp root.sv01.j-dns.jp

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns4.j-dns.jp, ns3.j-dns.jp, ns2.j-dns.jp...)

Analysis

Mail Server Role

The MX record for cujo.jp points back to cujo.jp — it is its own mail server.

IP Addresses

cujo.jp directs to one IP number, which is 13.231.14.237.

Among the host names that share IP numbers with cujo.jp are rrv321.com, demon-tweeks.jp, akk7979.com and two others.

Name Servers

The domain cujo.jp is delegated to these four name servers: ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp and ns4.j-dns.jp.

cujo.jp partially shares its NS delegation with several other domains, including digitaldesign.ne.jp, japaneur.jp, manualsworld.jp and two others.

ns1.j-dns.jp resolves to 13.231.14.237. ns2.j-dns.jp resolves to 3.1.199.252. ns3.j-dns.jp resolves to 13.114.131.61. ns4.j-dns.jp resolves to 100.20.49.22. All four hosts carry exactly one IP address.

Mail Servers

The MX record for cujo.jp points to a single mail server: cujo.jp.

cujo.jp resolves to a single IP number: 13.231.14.237.