cujo.jp - robtex.com

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=1781928003

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
juco.org.br
juco.com.cn
ocuj.com
coju.net
jocu.com.cn
ocuj.es
ujco.net
uocj.com
coju.se
jocu.cn
jouc.com
jcou.com
juco.org
juco.be
oujc.shop
juco.ch
juco.com
ocju.com
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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
●NSns1.j-dns.jp2026-06-05 → 2026-06-20 · 3 obs
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
●NSns2.j-dns.jp2026-06-05 → 2026-06-20 · 3 obs
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-06-20 04:13:10
●NSns3.j-dns.jp2026-06-05 → 2026-06-20 · 3 obs
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-06-20 04:13:10
●NSns4.j-dns.jp2026-06-05 → 2026-06-20 · 3 obs
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-06-20 04:13:10
●MXcujo.jp2015-08-12 → 2026-06-20 · 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
● 2026-06-20 04:13:10
●A13.231.14.2372026-06-05 → 2026-06-20 · 3 obs
○ 2018-06-24 07:56:00
● 2026-06-05 19:39:20
● 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10
○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
○ 2026-06-20 04:13:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpg.dns.jp, a.dns.jp, b.dns.jp, f.dns.jp...-
cujo.jpns2.j-dns.jp, ns3.j-dns.jp, ns4.j-dns.jp, ns1.j-dns.jp4 records

✅ Authoritative Response

Server:3.1.199.252

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cujo.jp (unsigned zone)

⏱️ Timing

Total: 1075ms | Queries: -

📄 Records

TypeCountSample Data
A113.231.14.237
NS4ns4.j-dns.jp, ns1.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 (ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp...)

Analysis

Mail Server Role

cujo.jp is listed as a mail server for itself.

IP Addresses

cujo.jp resolves to one IP address: 13.231.14.237.

rrv321.com, demon-tweeks.jp, akk7979.com and two other host names share IP numbers with cujo.jp.

Name Servers

The authoritative name servers for cujo.jp are ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp and ns4.j-dns.jp.

The name servers of cujo.jp overlap at least partially with those of other domains — among them digitaldesign.ne.jp, japaneur.jp, manualsworld.jp and two more.

Each of the four hosts ns1.j-dns.jp, ns2.j-dns.jp, ns3.j-dns.jp and ns4.j-dns.jp points to a single IP address — ns1.j-dns.jp points to 13.231.14.237, ns2.j-dns.jp points to 3.1.199.252, ns3.j-dns.jp points to 13.114.131.61 and ns4.j-dns.jp points to 100.20.49.22.

Mail Servers

Mail for cujo.jp is handled by one mail server — cujo.jp.

There is one IP number for cujo.jp: 13.231.14.237.