duc.jp - dns.ninja

duc.jp

DNSSEC⚠️ Not signed
A202.254.234.113🇯🇵 XSERVER-AS202.254.232.0/22 XSERVER Inc.
PTRsv3112.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXduc.jp ⭐
A202.254.234.113🇯🇵 XSERVER-AS202.254.232.0/22 XSERVER Inc.
PTRsv3112.xserver.jp
TXTv=spf1 +a:sv3112.xserver.jp +a:duc.jp +mx include:spf.duc.jp ~all
SOAns1.xserver.jproot@xserver.jp serial=0

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=1782550803

MX for

duc.jp

Same first word

duc.ch
duc.net
duc.us
duc.do
duc.cn
duc.ie
duc.work
duc.biz
duc.cz
duc.at
duc.si
duc.jp
duc.lu
duc.com.mx
duc.edu.iq
duc.koeln
duc.co.uk
duc.co.za
duc.nl
duc.edu.gh
duc.ca
duc.one
duc.vn
duc.me
duc.kr
duc.es
duc.hu
duc.tf
duc.eu
duc.fr
duc.link
duc.dk
duc.ro
duc.nu
duc.edu.sd
duc.as
duc.se
duc.ru
duc.com
duc.be
duc.com.ar
duc.fi
duc.co
duc.cc
duc.tech
duc.in
duc.com.kw
duc.edu.in
duc.de

Similar names

udc.ro
cdu.com.ph
udc.br
ucd.ch
cdu.ac.in
cdu.edu.ua
udc.es
udc.com.mx
cud.re.kr
dcu.kr
cdu.cz
udc.ie
cdu.events
udc.ru
cud.co.jp
dcu.co.za
udc.pt
dcu.ru
cud.com.mx
dcu.info
ucd.ie
ucd.money
udc.bg
cdu.one
udc.ch
udc.pl
cud.fr
udc.com
dcu.my
dcu.org.cn
ucd.at
cud.com.au
cdu.cn
cdu.eu
cdu.fr
cud.moda
cdu.watch
cud.io
cud.pl
cdu.nu
ucd.it
udc.edu.ar
udc.org.bw
cdu.al
udc.gal
cud.co
ucd.ac.ma
dcu.academy
udc.com.vn
udc.tv
udc.com.ua
dcu.dk
udc.com.tr
ucd.co.za
ucd.org.mx
cdu.pt
cdu.vision
udc.edu.br
cdu.plus
cud.org.pl
udc.co.uk
cdu.de
dcu.ac.jp
dcu.co
ucd.uz
cud.info
udc.org
cdu.cl
cud.at
cdu.com
ucd.se
cdu.jetzt
cdu.website
ucd.com.mx
udc.nl
udc.hk
dcu.ie
cud.ac.ae
dcu.cn
cdu.at
cud.eu

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns.dlsv.comns2.dlsv.comns3.dlsv.comMXduc.jpsmtp.duc.jpA202.254.234.113210.129.186.91
○NSns.dlsv.com2015-06-11 → 2017-04-02 · 4 obs
● 2015-06-11 01:42:04
● 2017-04-02 00:36:36
○ 2026-02-24 18:50:36
○ 2026-06-27 09:27:36
●NSns1.xserver.jp2026-02-24 → 2026-06-27 · 3 obs
○ 2017-04-02 00:36:36
● 2026-02-24 18:50:36
● 2026-06-27 09:27:36
○NSns2.dlsv.com2015-06-11 → 2017-04-02 · 4 obs
● 2015-06-11 01:42:04
● 2017-04-02 00:36:36
○ 2026-02-24 18:50:36
○ 2026-06-27 09:27:36
●NSns2.xserver.jp2026-02-24 → 2026-06-27 · 3 obs
○ 2017-04-02 00:36:36
● 2026-02-24 18:50:36
● 2026-06-27 09:27:36
○NSns3.dlsv.com2015-06-11 → 2017-04-02 · 4 obs
● 2015-06-11 01:42:04
● 2017-04-02 00:36:36
○ 2026-02-24 18:50:36
○ 2026-06-27 09:27:36
●NSns3.xserver.jp2026-02-24 → 2026-06-27 · 3 obs
○ 2017-04-02 00:36:36
● 2026-02-24 18:50:36
● 2026-06-27 09:27:36
●NSns4.xserver.jp2026-02-24 → 2026-06-27 · 3 obs
○ 2017-04-02 00:36:36
● 2026-02-24 18:50:36
● 2026-06-27 09:27:36
●NSns5.xserver.jp2026-02-24 → 2026-06-27 · 3 obs
○ 2017-04-02 00:36:36
● 2026-02-24 18:50:36
● 2026-06-27 09:27:36
●MXduc.jp2026-02-24 → 2026-06-27 · 3 obs
○ 2017-04-02 00:36:36
● 2026-02-24 18:50:36
● 2026-06-27 09:27:36
○MXsmtp.duc.jp2015-06-11 → 2017-04-02 · 4 obs
● 2015-06-11 01:42:04
● 2017-04-02 00:36:36
○ 2026-02-24 18:50:36
○ 2026-06-27 09:27:36
●A202.254.234.1132026-02-24 → 2026-06-27 · 3 obs
○ 2017-04-02 00:36:36
● 2026-02-24 18:50:36
● 2026-06-27 09:27:36
○A210.129.186.912015-06-11 → 2017-04-02 · 4 obs
● 2015-06-11 01:42:04
● 2017-04-02 00:36:36
○ 2026-02-24 18:50:36
○ 2026-06-27 09:27:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpg.dns.jp, e.dns.jp, c.dns.jp, a.dns.jp...-
duc.jpns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...11 records

✅ Authoritative Response

Server:35.72.43.26

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duc.jp (unsigned zone)

⏱️ Timing

Total: 930ms | Queries: -

📄 Records

TypeCountSample Data
A1202.254.234.113
NS5ns2.xserver.jp, ns5.xserver.jp...
MX1duc.jp (pri: 0)
TXT1v=spf1 +a:sv3112.xserver.jp +a:duc.jp +m
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Mail Server Role

duc.jp handles its own mail, functioning as its own mail server.

IP Addresses

duc.jp resolves to just one IP address, 202.254.234.113.

Two other host names, along with www.miki-steel.co.jp, oteu.net and matome-game.com, also share IP numbers with duc.jp.

Name Servers

duc.jp delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

The name servers of duc.jp overlap at least partially with those of other domains — among them tabi-ne.jp, visualart.biz, ayano-labo.com and two more.

These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names that point to one IP address:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.

Mail Servers

duc.jp is served by just one mail server: duc.jp.

duc.jp has exactly one IP number: 202.254.234.113.