ns21.concor.dk - robtex.com

ns21.concor.dk

DNSSEC⚠️ Not signed
A185.40.45.83🇩🇰 ITM8-AS185.40.44.0/22

concor.dk

DNSSEC🔒 Signed (DS record present)
A77.111.240.191🇩🇰 ONECOM77.111.240.0/22 One.com A/S
NSns01.one.com ⭐
NSns02.one.com
MXconcor-dk.mail.protection.outlook.com ⭐
TXTMS=ms80739129
TXT_globalsign-domain-verification=FXEnbNexC3pAVgPnx3DcmwtSEv2_mKvlXWS6fnvEXL
TXTv=verifydomain MS=ms80739129
TXTv=spf1 mx include:spf.protection.outlook.com include:sendgrid.net -all
TXT_globalsign-domain-verification=HQUPpzTLXn0Te17dRGdFclgBCD9T34x_N84tXStgol
SOAns01.one.comhostmaster@one.com 2026-03-24 #1
WOT: SAFE (61/100)
WOT: SAFE (63/100)

PTR for

231.19.66.77.in-addr.arpa

NS for

jmgroup.dk
forsikringsagent.dk

Previously NS for

katteregister.dk
place2live.dk
oereklinikken-holte.dk
www.oereklinikken-holte.dk
clubpeople.dk
kattens-vaern.dk
concor.dk
clubpeople.com
detdanskekatteregister.dk
kolo.dk
kattensvaern.dk
intersite.dk

Same first word

ns21.net
ns21.fra1-de.cloudjiffy.net
ns21.es
ns21.club
ns21.cc
ns21.online
ns21.jp
ns21.ne.jp
ns21.cn
ns21.tube
ns21.com
ns21.de
ns21.ru
ns21.org
ns21.tv

Similar names

12sn.com
s2n1.com
ns12.eu
21ns.cn
ns12.com
ns12.siteleaf.net
ns12.nhs.uk
s21n.xyz
sn21.org
21sn.com
s12n.nl
sn12.or.kr
ns12.de
n2s1.akamaiedge.net
ns12.ric.jelastic.vps-host.net
s12n.de
sn21.jp
sn12.cz
1s2n.com
12ns.com
sn21.com
ns12.rag-cloud-ch.hosteur.com
2ns1.com
21sn.ru
ns12.net
2s1n.com
ns12.hu
21sn.net
n2s1.net
s12n.com
sn12.com
12sn.net
ns12.it

DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A185.40.45.8391.194.36.3
●A185.40.45.832026-02-15 → 2026-04-25 · 3 obs
○ 2017-09-11 11:38:00
● 2026-02-15 13:17:06
● 2026-04-25 05:08:44
○A91.194.36.32015-07-23 → 2017-09-11 · 4 obs
● 2015-07-23 03:59:12
● 2017-09-11 11:38:00
○ 2026-02-15 13:17:06
○ 2026-04-25 05:08:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dks.nic.dk, b.nic.dk, h.nic.dk, c.nic.dk...-
concor.dkns01.one.com, ns02.one.com-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1290ms | Queries: -

📄 Records

TypeCountSample Data
A1185.40.45.83

Analysis

Name Server Role

ns21.concor.dk serves as a name server for jmgroup.dk and forsikringsagent.dk.

Both ns20.concor.dk and ns21.concor.dk are commonly used as name servers.

IP Addresses

ns21.concor.dk points to a single IP number: 185.40.45.83.

Other host names, for instance ns2.webcentret.dk, share IP numbers with ns21.concor.dk.