1423.dk - robtex.com

1423.dk

DNSSEC⚠️ Not signed
A2a02:2350:5:10c:8010:c5a6:2765:bf74🇩🇰 ONECOM2a02:2350::/32 One.com A/S
A46.30.213.162🇩🇰 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
MX1423-dk.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::2🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-du2pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca04::4🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca04::5🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db3pr0202cu00205.inbound.protection.outlook.com
A2a01:111:f403:ca04::9🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00601.inbound.protection.outlook.com
A52.101.68.0🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A52.101.73.12🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am4pr0401cu00104.inbound.protection.outlook.com
A52.101.73.19🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr04cu00803.inbound.protection.outlook.com
A52.101.73.26🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr05cu01302.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com include:_spf.monday.com -all
SOAns01.one.comhostmaster@one.com 2026-03-17 #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 1771291441localtime Tue Feb 17 02:24:01 2026gmtime Tue Fe...
SOAb.nic.dktech@punktum.dk serial=1771291261
WOT: SAFE (89/100)

Same first word

1423.su
1423.dk
1423.se
1423.nl
1423.com
1423.de
1423.net
1423.fr
1423.ru
1423.co.kr
1423.tech

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1342.de
1234.tv
1243.de
4321.ch
1234.se
4123.co.uk
1342.ir
3124.cn
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3214.de
3421.se
1234.us
1234.es
4321.eu
1234.network
1234.blue
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1234.cool
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3214.com
3124.ch
2134.de
2134.cc
4132.ch
2143.ir
3142.com
4321.com.tw
2314.ir
1234.ag
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4123.co.kr
3214.jp
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3214.by
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4321.cc
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4213.com
1324.ru
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3214.dk
3214.eu
4321.su
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4321.me
3421.de
2314.tw
3214.in
2341.cc

DNS History

14 records (5 active, 9 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMX1423-dk.mail.protection.outlook.commxcluster1.one.commxcluster2.one.comA2a02:2350:5:10c:8010:c5a6:2765:bf7446.30.213.16246.30.212.21346.30.213.218
●NSns01.one.com2015-07-05 → 2026-03-18 · 5 obs
● 2015-07-05 01:24:26
● 2016-09-26 19:10:44
○ 2017-05-18 20:50:56
● 2026-03-18 00:02:00
● 2026-03-18 00:02:02
●NSns02.one.com2015-07-05 → 2026-03-18 · 5 obs
● 2015-07-05 01:24:26
● 2016-09-26 19:10:44
○ 2017-05-18 20:50:56
● 2026-03-18 00:02:00
● 2026-03-18 00:02:02
○NSns1.gratisdns.dk2017-05-18 → 2017-05-18 · 4 obs
○ 2016-09-26 19:10:44
● 2017-05-18 20:50:56
○ 2026-03-18 00:02:00
○ 2026-03-18 00:02:02
○NSns2.gratisdns.dk2017-05-18 → 2017-05-18 · 4 obs
○ 2016-09-26 19:10:44
● 2017-05-18 20:50:56
○ 2026-03-18 00:02:00
○ 2026-03-18 00:02:02
○NSns3.gratisdns.dk2017-05-18 → 2017-05-18 · 4 obs
○ 2016-09-26 19:10:44
● 2017-05-18 20:50:56
○ 2026-03-18 00:02:00
○ 2026-03-18 00:02:02
○NSns4.gratisdns.dk2017-05-18 → 2017-05-18 · 4 obs
○ 2016-09-26 19:10:44
● 2017-05-18 20:50:56
○ 2026-03-18 00:02:00
○ 2026-03-18 00:02:02
○NSns5.gratisdns.dk2017-05-18 → 2017-05-18 · 4 obs
○ 2016-09-26 19:10:44
● 2017-05-18 20:50:56
○ 2026-03-18 00:02:00
○ 2026-03-18 00:02:02
●MX1423-dk.mail.protection.outlook.com2026-03-18 → 2026-03-18 · 3 obs
○ 2017-05-18 20:50:56
● 2026-03-18 00:02:00
● 2026-03-18 00:02:02
○MXmxcluster1.one.com2015-07-05 → 2017-05-18 · 4 obs
● 2015-07-05 01:24:26
● 2017-05-18 20:50:56
○ 2026-03-18 00:02:00
○ 2026-03-18 00:02:02
○MXmxcluster2.one.com2015-07-05 → 2017-05-18 · 4 obs
● 2015-07-05 01:24:26
● 2017-05-18 20:50:56
○ 2026-03-18 00:02:00
○ 2026-03-18 00:02:02
●A2a02:2350:5:10c:8010:c5a6:2765:bf742026-03-18 → 2026-03-18 · 3 obs
○ 2017-05-18 20:50:56
● 2026-03-18 00:02:00
● 2026-03-18 00:02:02
○A46.30.212.2132015-07-05 → 2016-07-14 · 4 obs
● 2015-07-05 01:24:26
● 2016-07-14 06:24:38
○ 2016-09-26 19:10:44
○ 2026-03-18 00:02:02
●A46.30.213.1622026-03-18 → 2026-03-18 · 3 obs
○ 2017-05-18 20:50:56
● 2026-03-18 00:02:00
● 2026-03-18 00:02:02
○A46.30.213.2182016-09-26 → 2017-05-18 · 5 obs
○ 2016-07-14 06:24:38
● 2016-09-26 19:10:44
● 2017-05-18 20:50:56
○ 2026-03-18 00:02:00
○ 2026-03-18 00:02:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
1423.dkns02.one.com, ns01.one.com-

✅ Authoritative Response

Server: 185.10.11.10

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 821ms | Queries: -

📄 Records

TypeCountSample Data
A146.30.213.162
AAAA12a02:2350:5:10c:8010:c5a6:2765:bf74
NS2ns02.one.com, ns01.one.com
MX11423-dk.mail.protection.outlook.com (pri
TXT1v=spf1 include:spf.protection.outlook.co
SOA1ns01.one.com hostmaster.one.com

Analysis

IP Addresses

1423.dk resolves to two IP numbers: 2a02:2350:5:10c:8010:c5a6:2765:bf74 and 46.30.213.162.

other host names including assisi-kredsen.dk, daif.se, miltersen.dk, assk.se and brevet.at share IP numbers with 1423.dk.

Name Servers

1423.dk is delegated to two name servers ns01.one.com and ns02.one.com.

1423.dk shares the same name server setup as other domains, for instance jeppson.dk, orbis.no, robbin.dk, hednet.tv and butlerbygg.no.

Host names with two IP numbers:

The host name ns01.one.com points to 2001:67c:28cc::10 and 195.206.121.10; the host name ns02.one.com points to 2001:67c:3c0::10 and 185.10.11.10.

Mail Servers

1423.dk is handled by a single mail server, 1423-dk.mail.protection.outlook.com.

Host 1423-dk.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::9, 52.101.68.0, 52.101.73.12, 52.101.73.19 and 52.101.73.26.