`ctb.dk`

DNSSEC	🔒 Signed (DS record present)
A	2a02:2350:5:106:2e:c33b:c479:fbfc^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
A	46.30.215.133^{🇩🇰 ONECOM46.30.208.0/21 One.com A/S}
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mx1.pub.mailpod14-cph3.one.com` ⭐
		A	185.10.9.212^{🇩🇰 ONECOM185.10.8.0/22}
			PTR	`mx1.pub.mailpod14-cph3.one.com`
MX	`mx2.pub.mailpod14-cph3.one.com` ⭐
		A	185.10.9.213^{🇩🇰 ONECOM185.10.8.0/22}
			PTR	`mx2.pub.mailpod14-cph3.one.com`
MX	`mx3.pub.mailpod14-cph3.one.com` ⭐
		A	185.10.9.214^{🇩🇰 ONECOM185.10.8.0/22}
			PTR	`mx3.pub.mailpod14-cph3.one.com`
MX	`mx4.pub.mailpod14-cph3.one.com` ⭐
		A	185.10.9.215^{🇩🇰 ONECOM185.10.8.0/22}
			PTR	`mx4.pub.mailpod14-cph3.one.com`
SOA	`ns01.one.com`hostmaster@one.com 2026-06-17 #4

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1781912881localtime Sat Jun 20 01:48:01 2026gmtime Fri Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1781912881

WOT: SAFE (68/100)

Same first word

ctb.sk

ctb.no

ctb.go.th

ctb.sa

ctb.org.tr

ctb.hu

ctb.com.tw

ctb.cat

ctb.ir

ctb.ne.jp

ctb.ca

ctb.com.ph

ctb.nu

ctb.eus

ctb.md

ctb.org.br

ctb.pt

ctb.academy

ctb.edu.gt

ctb.us

ctb.school

ctb.net.au

ctb.com.cn

ctb.info

ctb.co

ctb.cn

ctb.nl

ctb.edu.co

ctb.org.tw

ctb.ro

ctb.com

ctb.com.au

ctb.party

ctb.co.jp

ctb.ma

ctb.co.uk

ctb.co.at

ctb.fr

ctb.be

ctb.at

ctb.co.nz

ctb.dk

ctb.kiev.ua

ctb.es

ctb.ru

ctb.com.pe

ctb.me

ctb.net.pl

ctb.by

ctb.jp

ctb.lv

ctb.ie

ctb.ac.jp

Similar names

tbc.com.sg

cbt.ua

cbt.edu

btc.com.au

tbc.edu

btc.net.in

btc.tools

bct.co.in

cbt.ir

btc.net

cbt.com.au

tcb.sg

tbc.co.kr

btc.com.vn

cbt.nyc

tbc.net

btc.tienda

btc.com

btc.bet

bct.it

btc.sx

tcb.top

btc.net.pk

tbc.net.tw

bct.ca

btc.lu

cbt.cn

bct.com.au

btc.co.id

btc.gold

tcb.tempurl.host

btc.capital

btc.com.pa

btc.guide

btc.co

btc.es

cbt.se

cbt.ie

cbt.aero

btc.bm

btc.lighting

cbt.net.pl

bct.com.ua

bct.ru

bct.be

tcb.eu

btc.ren

tcb.gr

btc.com.jo

btc.ng

btc.com.py

bct.lt

btc.com.hk

btc.com.tw

tcb.ru

btc.edu

tbc.sc

tbc.md

tcb.at

bct.vn

btc.name

btc.center

tcb.today

bct.kz

btc.kz

tcb.net.au

bct.at

cbt.net.cn

btc.london

tbc.us

tcb.red

tbc.agency

btc.nu

bct.bt

tcb.beer

bct.email

tbc.mx

cbt.info

bct.us

tbc.at

tbc.com.vn

DNS History

23 records (8 active, 15 former)

●NSns01.one.com2015-08-08 → 2026-06-19 · 3 obs

○ 2008-12-22 13:01:10
● 2015-08-08 21:23:14
● 2026-06-19 23:57:14

●NSns02.one.com2015-08-08 → 2026-06-19 · 3 obs

○ 2008-12-22 13:01:10
● 2015-08-08 21:23:14
● 2026-06-19 23:57:14

○NSns1.b-one.nu2008-12-22 → 2008-12-22 · 3 obs

● 2008-12-22 13:01:10
○ 2015-08-08 21:23:14
○ 2026-06-19 23:57:14

○NSns2.b-one.nu2008-12-22 → 2008-12-22 · 3 obs

● 2008-12-22 13:01:10
○ 2015-08-08 21:23:14
○ 2026-06-19 23:57:14

○NSns3.b-one.nu2008-12-22 → 2008-12-22 · 3 obs

● 2008-12-22 13:01:10
○ 2015-08-08 21:23:14
○ 2026-06-19 23:57:14

○MXmx-cluster1.one.com2008-12-22 → 2008-12-22 · 3 obs

● 2008-12-22 13:01:10
○ 2015-08-08 21:23:14
○ 2026-06-19 23:57:14

○MXmx-cluster2.one.com2008-12-22 → 2008-12-22 · 3 obs

● 2008-12-22 13:01:10
○ 2015-08-08 21:23:14
○ 2026-06-19 23:57:14

○MXmx1.pub.mailpod1-cph3.one.com2021-01-07 → 2021-01-07 · 4 obs

○ 2016-07-10 07:18:10
● 2021-01-07 03:29:16
○ 2026-06-11 11:42:34
○ 2026-06-19 23:57:14

●MXmx1.pub.mailpod14-cph3.one.com2026-06-11 → 2026-06-19 · 3 obs

○ 2021-01-07 03:29:16
● 2026-06-11 11:42:34
● 2026-06-19 23:57:14

○MXmx2.pub.mailpod1-cph3.one.com2021-01-07 → 2021-01-07 · 4 obs

○ 2016-07-10 07:18:10
● 2021-01-07 03:29:16
○ 2026-06-11 11:42:34
○ 2026-06-19 23:57:14

●MXmx2.pub.mailpod14-cph3.one.com2026-06-11 → 2026-06-19 · 3 obs

○ 2021-01-07 03:29:16
● 2026-06-11 11:42:34
● 2026-06-19 23:57:14

○MXmx3.pub.mailpod1-cph3.one.com2021-01-07 → 2021-01-07 · 4 obs

○ 2016-07-10 07:18:10
● 2021-01-07 03:29:16
○ 2026-06-11 11:42:34
○ 2026-06-19 23:57:14

●MXmx3.pub.mailpod14-cph3.one.com2026-06-11 → 2026-06-19 · 3 obs

○ 2021-01-07 03:29:16
● 2026-06-11 11:42:34
● 2026-06-19 23:57:14

●MXmx4.pub.mailpod14-cph3.one.com2026-06-11 → 2026-06-19 · 3 obs

○ 2021-01-07 03:29:16
● 2026-06-11 11:42:34
● 2026-06-19 23:57:14

○MXmxcluster1.one.com2015-08-08 → 2016-07-10 · 5 obs

○ 2008-12-22 13:01:10
● 2015-08-08 21:23:14
● 2016-07-10 07:18:10
○ 2021-01-07 03:29:16
○ 2026-06-19 23:57:14

○MXmxcluster2.one.com2015-08-08 → 2016-07-10 · 5 obs

○ 2008-12-22 13:01:10
● 2015-08-08 21:23:14
● 2016-07-10 07:18:10
○ 2021-01-07 03:29:16
○ 2026-06-19 23:57:14

○A195.47.247.632008-12-22 → 2008-12-22 · 3 obs

● 2008-12-22 13:01:10
○ 2015-08-08 21:23:14
○ 2026-06-19 23:57:14

●A2a02:2350:5:106:2e:c33b:c479:fbfc2026-06-11 → 2026-06-19 · 3 obs

○ 2021-01-07 03:29:16
● 2026-06-11 11:42:34
● 2026-06-19 23:57:14

○A2a02:2350:5:109:2e:c33b:c479:fbfc2021-01-07 → 2021-01-07 · 4 obs

○ 2016-07-10 07:18:10
● 2021-01-07 03:29:16
○ 2026-06-11 11:42:34
○ 2026-06-19 23:57:14

○A46.30.212.1622015-08-08 → 2016-02-09 · 5 obs

○ 2008-12-22 13:01:10
● 2015-08-08 21:23:14
● 2016-02-09 13:00:14
○ 2016-07-10 07:18:10
○ 2026-06-19 23:57:14

○A46.30.213.1532016-07-10 → 2016-07-10 · 4 obs

○ 2016-02-09 13:00:14
● 2016-07-10 07:18:10
○ 2021-01-07 03:29:16
○ 2026-06-19 23:57:14

●A46.30.215.1332026-06-11 → 2026-06-19 · 3 obs

○ 2021-01-07 03:29:16
● 2026-06-11 11:42:34
● 2026-06-19 23:57:14

○A77.111.240.692021-01-07 → 2021-01-07 · 4 obs

○ 2016-07-10 07:18:10
● 2021-01-07 03:29:16
○ 2026-06-11 11:42:34
○ 2026-06-19 23:57:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
ctb.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:185.10.11.10

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1268ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.215.133`
AAAA	1	`2a02:2350:5:106:2e:c33b:c479:fbfc`
NS	2	`ns02.one.com, ns01.one.com`
MX	4	`mx4.pub.mailpod14-cph3.one.com (pri: 10), mx3.pub.mailpod14-cph3.one.com (pri: 10)...`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

IP Addresses

ctb.dk points to the IP addresses 46.30.215.133 and 2a02:2350:5:106:2e:c33b:c479:fbfc

xn--nummerskylthllare-krb.se, pfeiffdesign.com, dsc-hengelo.nl plus two other host names have IP numbers in common with ctb.dk.

Name Servers

ctb.dk has two authoritative name servers — ns01.one.com and ns02.one.com.

The name server configuration of ctb.dk is shared with other domains, for instance kshop.dk, aicphoto.com, brattnas.se and two others.

Both ns01.one.com and ns02.one.com have two IP addresses each. ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10; ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

The four mail servers for ctb.dk are mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com, mx3.pub.mailpod14-cph3.one.com and mx4.pub.mailpod14-cph3.one.com.

At least some of the mail servers used by ctb.dk are shared with other domains: tekstpierement.nl, applyatjob.com, aelektro.com and two others among them.

Four host names, each with one IP address: mx1.pub.mailpod14-cph3.one.com has 185.10.9.212, mx2.pub.mailpod14-cph3.one.com has 185.10.9.213, mx3.pub.mailpod14-cph3.one.com has 185.10.9.214 and mx4.pub.mailpod14-cph3.one.com has 185.10.9.215.

ctb.dk - robtex.com

ctb.dk

dk

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`ctb.dk`

`dk`