ck.dk - robtex.com

ck.dk

DNSSEC⚠️ Not signed
A76.76.21.142🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
NSns01.one.com ⭐
A2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48
PTRns01.one.com
A195.206.121.10ONECOM-INFRA195.206.121.0/24
PTRns01.one.com
NSns02.one.com
A2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48
PTRns02.one.com
A185.10.11.10ONECOM185.10.11.0/24
PTRns02.one.com
MXmx1-dk.centerasecurity.dk ⭐
A89.233.19.127🇩🇰 TELIANET-DENMARK89.233.0.0/18 Telia Company AB
A89.233.19.188🇩🇰 TELIANET-DENMARK89.233.0.0/18 Telia Company AB
A128.76.60.167🇩🇰 TDC128.76.0.0/18
PTRmx6.centerasecurity.dk
A128.76.60.187🇩🇰 TDC128.76.0.0/18
PTRmx6.centerasecurity.dk
MXmx2-dk.centerasecurity.dk ⭐
A89.233.19.128🇩🇰 TELIANET-DENMARK89.233.0.0/18 Telia Company AB
A89.233.19.129🇩🇰 TELIANET-DENMARK89.233.0.0/18 Telia Company AB
A128.76.60.168🇩🇰 TDC128.76.0.0/18
PTRmx6.centerasecurity.dk
A128.76.60.169🇩🇰 TDC128.76.0.0/18
PTRmx6.centerasecurity.dk
MXmx3-dk.centerasecurity.dk(20)
A89.233.19.129🇩🇰 TELIANET-DENMARK89.233.0.0/18 Telia Company AB
A128.76.60.187🇩🇰 TDC128.76.0.0/18
PTRmx6.centerasecurity.dk
TXTglobalsign-domain-verification=nT5Z7ojxk5IUmTQH0dj7tVCKdaq2nbCfTuh3iF-2IA
TXTv=spf1 mx include:spf.defgo.com include:_spf.centerasecurity.dk a:outbound.ce...
TXTMS=ms97224754
TXTgoogle-site-verification=yw0CiZvfsm_yiNrqKPLdqHXesu-kYcuy0HPRmtHRrV0
SOAns01.one.comhostmaster@one.com 2026-02-28 #5

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk ⭐ 🔒
NSc.nic.dk 🔒
NSh.nic.dk 🔒
NSl.nic.dk 🔒
NSs.nic.dk 🔒
NSt.nic.dk 🔒
TXTDK zone updateEpoch 1771291441localtime Tue Feb 17 02:24:01 2026gmtime Tue Fe...
SOAb.nic.dktech@punktum.dk serial=1771291261
WOT: SAFE (68/100)

Subdomains

www.ck.dk

Same first word

ck.com
ck.gs
ck.gov.ua
ck.by
ck.se
ck.dk
ck.cafe
ck.gy
ck.agency
ck.gov.pl
ck.soccer
ck.com.au
ck.bet
ck.app
ck.rs
ck.md
ck.ru
ck.de
ck.com.mx
ck.la
ck.ge
ck.uk
ck.page
ck.com.ua
ck.ck.ua
ck.ws
ck.camp
ck.ventures
ck.nl
ck.ca
ck.art.pl
ck.cc
ck.ac.kr
ck.org
ck.kz
ck.ms
ck.gold
ck.ly
ck.technology
ck.law
ck.sg
ck.ks.ua
ck.ua
ck.su
ck.kiev.ua
ck.com.vu
ck.cx
ck.mk
ck.ro
ck.nu
ck.lv
ck.be
ck.vc
ck.co.kr
ck.is
ck.tec.br
ck.mba
ck.world
ck.hu
ck.net
ck.no
ck.amsterdam
ck.construction
ck.pl
ck.akamai.net
ck.life
ck.com.vn
ck.chat
ck.cz
ck.gliwice.pl
ck.si

Similar names

kc.ca
kc.world
kc.clothing
kc.tv
kc.si
kc.com.es
kc.photography
kc.ws
kc.co.kr
kc.limo
kc.co
kc.net.pe
kc.ru
kc.domains
kc.church
kc.com
kc.io
kc.to
kc.ac.th
kc.holdings
kc.run
kc.ie
kc.fi
kc.com.ua
kc.eu
kc.style
kc.edu
kc.rentals
kc.cn
kc.com.pl
kc.design
kc.co.uk
kc.lt
kc.gov.by
kc.com.tr
kc.net.my
kc.pl.ua
kc.legal
kc.net.tr
kc.today
kc.be
kc.kz
kc.dk
kc.de
kc.vg
kc.ne.kr
kc.lv
kc.se
kc.ee
kc.com.tw
kc.coffee
kc.cv.ua
kc.no
kc.co.za
kc.business
kc.pe
kc.biz

DNS History

18 records (6 active, 12 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXmx1-dk.centerasecurity.dkmx2-dk.centerasecurity.dkmx3-dk.centerasecurity.dkck-dk.mx1.comendosystems.comck-dk.mx2.comendosystems.netgw1.security.comendo.comgw2.security.comendo.comgw3.security.comendo.comA76.76.21.14282.103.133.12687.238.248.124
●NSns01.one.com2026-02-21 → 2026-03-09 · 3 obs
○ 2021-03-16 04:39:46
● 2026-02-21 15:34:38
● 2026-03-09 05:41:06
●NSns02.one.com2026-02-21 → 2026-03-09 · 3 obs
○ 2021-03-16 04:39:46
● 2026-02-21 15:34:38
● 2026-03-09 05:41:06
○NSns1.gratisdns.dk2015-08-08 → 2021-03-16 · 4 obs
● 2015-08-08 09:33:30
● 2021-03-16 04:39:46
○ 2026-02-21 15:34:38
○ 2026-03-09 05:41:06
○NSns2.gratisdns.dk2015-08-08 → 2021-03-16 · 4 obs
● 2015-08-08 09:33:30
● 2021-03-16 04:39:46
○ 2026-02-21 15:34:38
○ 2026-03-09 05:41:06
○NSns3.gratisdns.dk2015-08-08 → 2021-03-16 · 4 obs
● 2015-08-08 09:33:30
● 2021-03-16 04:39:46
○ 2026-02-21 15:34:38
○ 2026-03-09 05:41:06
○NSns4.gratisdns.dk2015-08-08 → 2021-03-16 · 4 obs
● 2015-08-08 09:33:30
● 2021-03-16 04:39:46
○ 2026-02-21 15:34:38
○ 2026-03-09 05:41:06
○NSns5.gratisdns.dk2015-08-08 → 2021-03-16 · 4 obs
● 2015-08-08 09:33:30
● 2021-03-16 04:39:46
○ 2026-02-21 15:34:38
○ 2026-03-09 05:41:06
○MXck-dk.mx1.comendosystems.com2015-09-07 → 2021-03-16 · 5 obs
○ 2015-08-08 09:33:30
● 2015-09-07 22:54:00
● 2021-03-16 04:39:46
○ 2026-02-21 15:34:38
○ 2026-03-09 05:41:06
○MXck-dk.mx2.comendosystems.net2015-09-07 → 2021-03-16 · 5 obs
○ 2015-08-08 09:33:30
● 2015-09-07 22:54:00
● 2021-03-16 04:39:46
○ 2026-02-21 15:34:38
○ 2026-03-09 05:41:06
○MXgw1.security.comendo.com2015-08-08 → 2015-10-10 · 4 obs
● 2015-08-08 09:33:30
● 2015-10-10 11:48:38
○ 2015-11-05 21:26:36
○ 2026-03-09 05:41:06
○MXgw2.security.comendo.com2015-08-08 → 2015-10-10 · 4 obs
● 2015-08-08 09:33:30
● 2015-10-10 11:48:38
○ 2015-11-05 21:26:36
○ 2026-03-09 05:41:06
○MXgw3.security.comendo.com2015-08-08 → 2015-10-10 · 4 obs
● 2015-08-08 09:33:30
● 2015-10-10 11:48:38
○ 2015-11-05 21:26:36
○ 2026-03-09 05:41:06
●MXmx1-dk.centerasecurity.dk2026-02-21 → 2026-03-09 · 3 obs
○ 2021-03-16 04:39:46
● 2026-02-21 15:34:38
● 2026-03-09 05:41:06
●MXmx2-dk.centerasecurity.dk2026-02-21 → 2026-03-09 · 3 obs
○ 2021-03-16 04:39:46
● 2026-02-21 15:34:38
● 2026-03-09 05:41:06
●MXmx3-dk.centerasecurity.dk2026-02-21 → 2026-03-09 · 3 obs
○ 2021-03-16 04:39:46
● 2026-02-21 15:34:38
● 2026-03-09 05:41:06
●A76.76.21.1422026-02-21 → 2026-03-09 · 3 obs
○ 2021-03-16 04:39:46
● 2026-02-21 15:34:38
● 2026-03-09 05:41:06
○A82.103.133.1262015-08-08 → 2015-09-07 · 4 obs
● 2015-08-08 09:33:30
● 2015-09-07 22:54:00
○ 2015-10-10 11:48:38
○ 2026-03-09 05:41:06
○A87.238.248.1242015-10-10 → 2021-03-16 · 5 obs
○ 2015-09-07 22:54:00
● 2015-10-10 11:48:38
● 2021-03-16 04:39:46
○ 2026-02-21 15:34:38
○ 2026-03-09 05:41:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
ck.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: 858ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.142
NS2ns01.one.com, ns02.one.com
MX3mx3-dk.centerasecurity.dk (pri: 20), mx2-dk.centerasecurity.dk (pri: 5)...
TXT4globalsign-domain-verification=nT5Z7ojxk, v=spf1 mx include:spf.defgo.com include:...
SOA1ns01.one.com hostmaster.one.com

Analysis

Hierarchy

The parent of www.ck.dk is ck.dk.

IP Addresses

ck.dk points to a single IP address: 76.76.21.142.

Other host names such as extremereloading.com, exceleratehealthcare.com, www.adventist.org, digitalmedicinal.com and www.zeit.co share IPs with ck.dk.

Name Servers

Two name servers ns01.one.com and ns02.one.com handle the delegation for ck.dk.

ck.dk shares the same name server setup as other domains, for example madeinroath.com, sickbay.dk, ahombach.de, visuline.se and tisvildebistro.dk.

Host names with two IP numbers:

ns01.one.com points to 2001:67c:28cc::10 and 195.206.121.10.

ns02.one.com points to 2001:67c:3c0::10 and 185.10.11.10.

Mail Servers

ck.dk is handled by three mail servers: mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and mx3-dk.centerasecurity.dk.

ck.dk shares at least partially some mail servers with other domains, for instance patrade-legal.dk, ejv.dk, dansk-hesteforsikring.dk, bofa.dk and danishshipping.dk.

Host names with four IP numbers

The host name mx1-dk.centerasecurity.dk points to 89.233.19.127, 89.233.19.188, 128.76.60.167 and 128.76.60.187

The host name mx2-dk.centerasecurity.dk points to 89.233.19.128, 89.233.19.129, 128.76.60.168 and 128.76.60.169

Host names with two IP numbers

The host name mx3-dk.centerasecurity.dk points to 89.233.19.129 and 128.76.60.187

Host names that point to 128.76.60.187: mx1-dk.centerasecurity.dk and mx3-dk.centerasecurity.dk

Host names that point to 89.233.19.129: mx2-dk.centerasecurity.dk and mx3-dk.centerasecurity.dk