ct1.dk - robtex.com

ct1.dk

DNSSEC🔒 Signed (DS record present)
A2a02:2350:5:10a:808f:c140:dfb0:bf49🇩🇰 ONECOM2a02:2350::/32 One.com A/S
A46.30.213.49🇩🇰 ONECOM46.30.208.0/21 One.com A/S
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.mailpod15-cph3.g1i.one.com ⭐
A104.37.35.36🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx1.mailpod15-cph3.g1i.one.com
MXmx2.mailpod15-cph3.g1i.one.com ⭐
A104.37.35.37🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx2.mailpod15-cph3.g1i.one.com
MXmx3.mailpod15-cph3.g1i.one.com ⭐
A104.37.35.38🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx3.mailpod15-cph3.g1i.one.com
MXmx4.mailpod15-cph3.g1i.one.com ⭐
A104.37.35.39🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx4.mailpod15-cph3.g1i.one.com
TXTv=spf1 include:_custspf.one.com -all
SOAns01.one.comhostmaster@one.com 2026-06-21 #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 1786570740localtime Wed Aug 12 23:39:00 2026gmtime Wed Au...
SOAb.nic.dktech@punktum.dk serial=1786570740

Same first word

ct1.cz
ct1.ro
ct1.ru
ct1.no
ct1.biz
ct1.co.uk
ct1.dk
ct1.pl
ct1.us
ct1.xyz
ct1.io
ct1.org
ct1.jp
ct1.at
ct1.mobi
ct1.com
ct1.net
ct1.cc

Similar names

1tc.top
1ct.at
tc1.info
c1t.net
c1t.cc
c1t.uk
1ct.de
t1c.de
1ct.lt
1ct.ro
t1c.jp
1tc.cc
c1t.de
t1c.ru
tc1.de
tc1.jp
tc1.ir
t1c.org
1tc.net
1ct.net
tc1.app
tc1.cloud
1tc.de
1tc.pw
1tc.ru
tc1.ch
tc1.net
tc1.nl
tc1.it
1ct.com
1ct.es
t1c.com
t1c.me
tc1.me
1ct.us
1ct.io
1tc.co
1ct.org
1ct.biz
1ct.co
tc1.ge
1ct.nl
tc1.us
c1t.com
1tc.fr
c1t.nl
1tc.com
tc1.fr
1tc.us

DNS History

12 records (8 active, 4 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comMXmx1.mailpod15-cph3.g1i.one.commx2.mailpod15-cph3.g1i.one.commx3.mailpod15-cph3.g1i.one.commx4.mailpod15-cph3.g1i.one.commxcluster1.one.commxcluster2.one.comA2a02:2350:5:10a:808f:c140:dfb0:bf4946.30.213.4946.30.211.22446.30.212.174
●NSns01.one.com2015-08-20 → 2026-08-12 · 2 obs
● 2015-08-20 09:19:54
● 2026-08-12 21:44:06
●NSns02.one.com2015-08-20 → 2026-08-12 · 2 obs
● 2015-08-20 09:19:54
● 2026-08-12 21:44:06
●MXmx1.mailpod15-cph3.g1i.one.com2026-06-12 → 2026-08-12 · 3 obs
○ 2016-10-24 17:05:28
● 2026-06-12 11:03:02
● 2026-08-12 21:44:06
●MXmx2.mailpod15-cph3.g1i.one.com2026-06-12 → 2026-08-12 · 3 obs
○ 2016-10-24 17:05:28
● 2026-06-12 11:03:02
● 2026-08-12 21:44:06
●MXmx3.mailpod15-cph3.g1i.one.com2026-06-12 → 2026-08-12 · 3 obs
○ 2016-10-24 17:05:28
● 2026-06-12 11:03:02
● 2026-08-12 21:44:06
●MXmx4.mailpod15-cph3.g1i.one.com2026-06-12 → 2026-08-12 · 3 obs
○ 2016-10-24 17:05:28
● 2026-06-12 11:03:02
● 2026-08-12 21:44:06
○MXmxcluster1.one.com2015-08-20 → 2016-10-24 · 4 obs
● 2015-08-20 09:19:54
● 2016-10-24 17:05:28
○ 2026-06-12 11:03:02
○ 2026-08-12 21:44:06
○MXmxcluster2.one.com2015-08-20 → 2016-10-24 · 4 obs
● 2015-08-20 09:19:54
● 2016-10-24 17:05:28
○ 2026-06-12 11:03:02
○ 2026-08-12 21:44:06
●A2a02:2350:5:10a:808f:c140:dfb0:bf492026-06-12 → 2026-08-12 · 3 obs
○ 2016-10-24 17:05:28
● 2026-06-12 11:03:02
● 2026-08-12 21:44:06
○A46.30.211.2242016-05-30 → 2016-10-24 · 5 obs
○ 2016-03-01 01:27:30
● 2016-05-30 08:25:46
● 2016-10-24 17:05:28
○ 2026-06-12 11:03:02
○ 2026-08-12 21:44:06
○A46.30.212.1742015-08-20 → 2016-03-01 · 4 obs
● 2015-08-20 09:19:54
● 2016-03-01 01:27:30
○ 2016-05-30 08:25:46
○ 2026-08-12 21:44:06
●A46.30.213.492026-06-12 → 2026-08-12 · 3 obs
○ 2016-10-24 17:05:28
● 2026-06-12 11:03:02
● 2026-08-12 21:44:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkt.nic.dk, s.nic.dk, l.nic.dk, b.nic.dk...-
ct1.dkns02.one.com, ns01.one.com-

✅ Authoritative Response

Server:195.206.121.10

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 960ms | Queries: -

📄 Records

TypeCountSample Data
A146.30.213.49
AAAA12a02:2350:5:10a:808f:c140:dfb0:bf49
NS2ns02.one.com, ns01.one.com
MX4mx4.mailpod15-cph3.g1i.one.com (pri: 10), mx3.mailpod15-cph3.g1i.one.com (pri: 10)...
TXT1v=spf1 include:_custspf.one.com -all
SOA1ns01.one.com hostmaster.one.com

Analysis

IP Addresses

ct1.dk has two IP addresses: 46.30.213.49 and 2a02:2350:5:10a:808f:c140:dfb0:bf49

weinforsel.se, gomt.dk, vulion.com and two other host names share IP numbers with ct1.dk.

Name Servers

ct1.dk is served by two delegated name servers, ns01.one.com and ns02.one.com.

ct1.dk uses the same name servers as several other domains — among them bilga.dk, good2go.dk, golfreglerne.dk and two more.

Each of the two host names carries two IP addresses: ns01.one.com points to 195.206.121.10 and 2001:67c:28cc::10, and ns02.one.com points to 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

Mail for ct1.dk is handled by four mail servers: mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com, mx3.mailpod15-cph3.g1i.one.com and mx4.mailpod15-cph3.g1i.one.com.

ct1.dk has at least partial mail server overlap with other domains such as ypevents.nl, tunnelvej.dk, angland.se and two more.

Each of the four hosts mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com, mx3.mailpod15-cph3.g1i.one.com and mx4.mailpod15-cph3.g1i.one.com points to a single IP address — mx1.mailpod15-cph3.g1i.one.com points to 104.37.35.36, mx2.mailpod15-cph3.g1i.one.com points to 104.37.35.37, mx3.mailpod15-cph3.g1i.one.com points to 104.37.35.38 and mx4.mailpod15-cph3.g1i.one.com points to 104.37.35.39.