jan-c.dk - robtex.com

jan-c.dk

DNSSEC⚠️ Not signed
A2a02:2350:5:106:80df:71aa:4788:d3a4🇩🇰 ONECOM2a02:2350::/32 One.com A/S
A46.30.215.187🇩🇰 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.pub.mailpod10-cph3.one.com ⭐
A104.37.34.70🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx1.pub.mailpod10-cph3.one.com
MXmx2.pub.mailpod10-cph3.one.com ⭐
A104.37.34.71🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx2.pub.mailpod10-cph3.one.com
MXmx3.pub.mailpod10-cph3.one.com ⭐
A104.37.34.72🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx3.pub.mailpod10-cph3.one.com
MXmx4.pub.mailpod10-cph3.one.com ⭐
A104.37.34.73🇩🇰 ONECOM104.37.32.0/21 One.com A/S
PTRmx4.pub.mailpod10-cph3.one.com
SOAns01.one.comhostmaster@one.com 2026-04-10 #2

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 1778523121localtime Mon May 11 20:12:01 2026gmtime Mon Ma...
SOAb.nic.dktech@punktum.dk serial=1778523301

Subdomains

mail.jan-c.dk

Same first word

jan-c.dk

Similar names

aj-cn.com
jac-n.jp
cn-ja.com
j-can.jp

DNS History

15 records (8 active, 7 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comns.netsite.dkns2.netsite.dkMXmx1.pub.mailpod10-cph3.one.commx2.pub.mailpod10-cph3.one.commx3.pub.mailpod10-cph3.one.commx4.pub.mailpod10-cph3.one.commxcluster.netsite.dkmxcluster1.one.commxcluster2.one.comA2a02:2350:5:106:80df:71aa:4788:d3a446.30.215.187193.29.201.20446.30.213.148
○NSns.netsite.dk2015-08-28 → 2016-04-18 · 4 obs
● 2015-08-28 07:41:34
● 2016-04-18 07:51:56
○ 2016-11-06 04:34:46
○ 2026-05-11 18:17:54
●NSns01.one.com2016-11-06 → 2026-05-11 · 3 obs
○ 2016-04-18 07:51:56
● 2016-11-06 04:34:46
● 2026-05-11 18:17:54
●NSns02.one.com2016-11-06 → 2026-05-11 · 3 obs
○ 2016-04-18 07:51:56
● 2016-11-06 04:34:46
● 2026-05-11 18:17:54
○NSns2.netsite.dk2015-08-28 → 2016-04-18 · 4 obs
● 2015-08-28 07:41:34
● 2016-04-18 07:51:56
○ 2016-11-06 04:34:46
○ 2026-05-11 18:17:54
●MXmx1.pub.mailpod10-cph3.one.com2026-04-23 → 2026-05-11 · 3 obs
○ 2017-05-11 19:53:06
● 2026-04-23 18:41:54
● 2026-05-11 18:17:54
●MXmx2.pub.mailpod10-cph3.one.com2026-04-23 → 2026-05-11 · 3 obs
○ 2017-05-11 19:53:06
● 2026-04-23 18:41:54
● 2026-05-11 18:17:54
●MXmx3.pub.mailpod10-cph3.one.com2026-05-11 → 2026-05-11 · 3 obs
○ 2026-04-23 18:41:54
● 2026-05-11 18:17:52
● 2026-05-11 18:17:54
●MXmx4.pub.mailpod10-cph3.one.com2026-04-23 → 2026-05-11 · 3 obs
○ 2017-05-11 19:53:06
● 2026-04-23 18:41:54
● 2026-05-11 18:17:54
○MXmxcluster.netsite.dk2015-08-28 → 2016-04-18 · 4 obs
● 2015-08-28 07:41:34
● 2016-04-18 07:51:56
○ 2016-11-06 04:34:46
○ 2026-05-11 18:17:54
○MXmxcluster1.one.com2016-11-06 → 2017-05-11 · 5 obs
○ 2016-04-18 07:51:56
● 2016-11-06 04:34:46
● 2017-05-11 19:53:06
○ 2026-04-23 18:41:54
○ 2026-05-11 18:17:54
○MXmxcluster2.one.com2016-11-06 → 2017-05-11 · 5 obs
○ 2016-04-18 07:51:56
● 2016-11-06 04:34:46
● 2017-05-11 19:53:06
○ 2026-04-23 18:41:54
○ 2026-05-11 18:17:54
○A193.29.201.2042015-08-28 → 2016-04-18 · 4 obs
● 2015-08-28 07:41:34
● 2016-04-18 07:51:56
○ 2016-11-06 04:34:46
○ 2026-05-11 18:17:54
●A2a02:2350:5:106:80df:71aa:4788:d3a42026-04-23 → 2026-05-11 · 3 obs
○ 2017-05-11 19:53:06
● 2026-04-23 18:41:54
● 2026-05-11 18:17:54
○A46.30.213.1482016-11-06 → 2017-05-11 · 5 obs
○ 2016-04-18 07:51:56
● 2016-11-06 04:34:46
● 2017-05-11 19:53:06
○ 2026-04-23 18:41:54
○ 2026-05-11 18:17:54
●A46.30.215.1872026-04-23 → 2026-05-11 · 3 obs
○ 2017-05-11 19:53:06
● 2026-04-23 18:41:54
● 2026-05-11 18:17:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
jan-c.dkns02.one.com, ns01.one.com-

✅ Authoritative Response

Server:195.206.121.10

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jan-c.dk (unsigned zone)

⏱️ Timing

Total: 804ms | Queries: -

📄 Records

TypeCountSample Data
A146.30.215.187
AAAA12a02:2350:5:106:80df:71aa:4788:d3a4
NS2ns01.one.com, ns02.one.com
MX4mx4.pub.mailpod10-cph3.one.com (pri: 10), mx3.pub.mailpod10-cph3.one.com (pri: 10)...
SOA1ns01.one.com hostmaster.one.com

Analysis

Hierarchy

The parent of mail.jan-c.dk is jan-c.dk.

IP Addresses

jan-c.dk resolves to two IP numbers: 2a02:2350:5:106:80df:71aa:4788:d3a4 and 46.30.215.187.

Other host names, for instance ewistone.com, inrebus.net, videostation.no, j-d-i.nl and ekdahl.email share IP numbers with jan-c.dk.

Name Servers

Two name servers ns01.one.com and ns02.one.com handle delegation for jan-c.dk.

jan-c.dk uses the same name server setup as other domains, for example lp-institute.com, jespernorda.com, brodersen.de, mywingzzz.com and ezcopy.net.

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

jan-c.dk is handled by four mail servers: mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.one.com, mx3.pub.mailpod10-cph3.one.com and mx4.pub.mailpod10-cph3.one.com.

jan-c.dk shares some mail servers with other domains, at least partially, such as vr.dk, sporkunsten.dk, twinsparkracing.net, skapelse.se and newso.me.

Host names with one IP:

mx1.pub.mailpod10-cph3.one.com points to 104.37.34.70

mx2.pub.mailpod10-cph3.one.com points to 104.37.34.71

mx3.pub.mailpod10-cph3.one.com points to 104.37.34.72

mx4.pub.mailpod10-cph3.one.com points to 104.37.34.73