firstnet.dk - dns.ninja

firstnet.dk

DNSSEC⚠️ Not signed
A46.30.211.38🇩🇰 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 2026-06-14 #1

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 1782687421localtime Mon Jun 29 00:57:01 2026gmtime Sun Ju...
SOAb.nic.dktech@punktum.dk serial=1782687421

Previously MX for

firstnet.dk

Same first word

firstnet.biz
firstnet.co.jp
firstnet.info
firstnet.com.my
firstnet.ru
firstnet.co
firstnet.cy
firstnet.com.br
firstnet.uk
firstnet.gov
firstnet.eu
firstnet.it
firstnet.de
firstnet.se
firstnet.co.uk
firstnet.org
firstnet.net.uk
firstnet.com
firstnet.com.sa
firstnet.gr
firstnet.net
firstnet.solutions
firstnet.durban
firstnet.cn
firstnet.pl
firstnet.joburg
firstnet.co.za
firstnet.nl
firstnet.ws
firstnet.dk
firstnet.cz
firstnet.at

Similar names

strenfit.si
firstent.eu
stiftner.at
strenfit.fr
netfirst.eu
tenfirst.com
strenfit.co.uk
strenfit.com.tr
firstent.com
sternfit.com
netfirst.ca
firstent.de
netfirst.fr
sternfit.de
firstten.org
strenfit.gr
netfirst.ru
netfrist.us.com
strenfit.cn
fintrest.be
fritsnet.com
firstent.biz
netfirst.com.cn
strenfit.us
netfirst.in
netfirst.com
firstten.at
stiftner.com
firstten.de
strenfit.nl
rentfits.com
fintrest.ru
strenfit.cl
tfinster.com
strenfit.com
firstnte.com
firstent.org
netfirst.jp
firstten.com
strenfit.hu
netfirst.nl
strenfit.ch
netfirst.cn

DNS History

17 records (7 active, 10 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkMXmx1.pub.mailpod10-cph3.one.commx2.pub.mailpod10-cph3.one.commx3.pub.mailpod10-cph3.one.commx4.pub.mailpod10-cph3.one.combackup-mx.post.tele.dkfirstnet.dkmxcluster1.one.commxcluster2.one.comA46.30.211.3846.30.213.7880.161.3.226
●NSns01.one.com2017-08-23 → 2026-06-28 · 3 obs
○ 2016-04-19 20:19:36
● 2017-08-23 23:19:38
● 2026-06-28 23:15:54
●NSns02.one.com2017-08-23 → 2026-06-28 · 3 obs
○ 2016-04-19 20:19:36
● 2017-08-23 23:19:38
● 2026-06-28 23:15:54
○NSns1.gratisdns.dk2015-06-27 → 2016-04-19 · 4 obs
● 2015-06-27 06:34:06
● 2016-04-19 20:19:36
○ 2017-08-23 23:19:38
○ 2026-06-28 23:15:54
○NSns2.gratisdns.dk2015-06-27 → 2016-04-19 · 4 obs
● 2015-06-27 06:34:06
● 2016-04-19 20:19:36
○ 2017-08-23 23:19:38
○ 2026-06-28 23:15:54
○NSns3.gratisdns.dk2015-06-27 → 2016-04-19 · 4 obs
● 2015-06-27 06:34:06
● 2016-04-19 20:19:36
○ 2017-08-23 23:19:38
○ 2026-06-28 23:15:54
○NSns4.gratisdns.dk2015-06-27 → 2016-04-19 · 4 obs
● 2015-06-27 06:34:06
● 2016-04-19 20:19:36
○ 2017-08-23 23:19:38
○ 2026-06-28 23:15:54
○MXbackup-mx.post.tele.dk2015-06-27 → 2016-04-19 · 4 obs
● 2015-06-27 06:34:06
● 2016-04-19 20:19:36
○ 2017-08-23 23:19:38
○ 2026-06-28 23:15:54
○MXfirstnet.dk2015-06-27 → 2016-04-19 · 4 obs
● 2015-06-27 06:34:06
● 2016-04-19 20:19:36
○ 2017-08-23 23:19:38
○ 2026-06-28 23:15:54
●MXmx1.pub.mailpod10-cph3.one.com2026-05-16 → 2026-06-28 · 3 obs
○ 2017-09-16 02:54:52
● 2026-05-16 11:37:26
● 2026-06-28 23:15:54
●MXmx2.pub.mailpod10-cph3.one.com2026-05-16 → 2026-06-28 · 3 obs
○ 2017-09-16 02:54:52
● 2026-05-16 11:37:26
● 2026-06-28 23:15:54
●MXmx3.pub.mailpod10-cph3.one.com2026-05-16 → 2026-06-28 · 3 obs
○ 2017-09-16 02:54:52
● 2026-05-16 11:37:26
● 2026-06-28 23:15:54
●MXmx4.pub.mailpod10-cph3.one.com2026-05-16 → 2026-06-28 · 3 obs
○ 2017-09-16 02:54:52
● 2026-05-16 11:37:26
● 2026-06-28 23:15:54
○MXmxcluster1.one.com2017-08-23 → 2017-09-16 · 5 obs
○ 2016-04-19 20:19:36
● 2017-08-23 23:19:38
● 2017-09-16 02:54:52
○ 2026-05-16 11:37:26
○ 2026-06-28 23:15:54
○MXmxcluster2.one.com2017-08-23 → 2017-09-16 · 5 obs
○ 2016-04-19 20:19:36
● 2017-08-23 23:19:38
● 2017-09-16 02:54:52
○ 2026-05-16 11:37:26
○ 2026-06-28 23:15:54
●A46.30.211.382026-05-16 → 2026-06-28 · 3 obs
○ 2017-09-16 02:54:52
● 2026-05-16 11:37:26
● 2026-06-28 23:15:54
○A46.30.213.782017-08-23 → 2017-09-16 · 5 obs
○ 2016-04-19 20:19:36
● 2017-08-23 23:19:38
● 2017-09-16 02:54:52
○ 2026-05-16 11:37:26
○ 2026-06-28 23:15:54
○A80.161.3.2262015-06-27 → 2016-04-19 · 4 obs
● 2015-06-27 06:34:06
● 2016-04-19 20:19:36
○ 2017-08-23 23:19:38
○ 2026-06-28 23:15:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...-
firstnet.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: 608ms | Queries: -

📄 Records

TypeCountSample Data
A146.30.211.38
NS2ns02.one.com, ns01.one.com
MX4mx3.pub.mailpod10-cph3.one.com (pri: 10), mx4.pub.mailpod10-cph3.one.com (pri: 10)...
SOA1ns01.one.com hostmaster.one.com

Analysis

IP Addresses

firstnet.dk resolves to one IP address: 46.30.211.38.

et-caetera.be, maharishi.be, treernst.dk and two other host names share IP numbers with firstnet.dk.

Name Servers

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

firstnet.dk uses the same name servers as several other domains — among them helteco.se, sagatoppen.com, al-omra.com and two more.

ns01.one.com and ns02.one.com both carry two IP addresses. The A records for ns01.one.com are 195.206.121.10 and 2001:67c:28cc::10; the A records for ns02.one.com are 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

firstnet.dk has 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.

firstnet.dk has at least partial mail server overlap with other domains such as www.antineadevalck.be, tomvangaever.be, artwise.dk and two more.

Each of the four hosts 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 points to a single IP address — 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 and mx4.pub.mailpod10-cph3.one.com points to 104.37.34.73.