mail.3z.dk - robtex.com

mail.3z.dk

DNSSEC⚠️ Not signed
A2a02:2350:5:10b:80ed:970c:3f71:21f6🇩🇰 ONECOM2a02:2350::/32 One.com A/S
A46.30.213.125🇩🇰 ONECOM46.30.208.0/21 One.com A/S

3z.dk

DNSSEC🔒 Signed (DS record present)
A2a02:2350:5:10b:80ed:970c:3f71:21f6🇩🇰 ONECOM2a02:2350::/32 One.com A/S
A46.30.213.125🇩🇰 ONECOM46.30.208.0/21 One.com A/S
NSns01.one.com ⭐
NSns02.one.com
MXmx1.pub.mailpod9-cph3.one.com ⭐
MXmx2.pub.mailpod9-cph3.one.com ⭐
MXmx3.pub.mailpod9-cph3.one.com ⭐
MXmx4.pub.mailpod9-cph3.one.com ⭐
SOAns01.one.comhostmaster@one.com 2026-03-12 #1

Previously MX for

3z.dk

Same first word

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DNS History

3 records (2 active, 1 former)

20162017201820192020202120222023202420252026A2a02:2350:5:10b:80ed:970c:3f71:21f646.30.213.125195.249.40.188
○A195.249.40.1882015-07-08 → 2016-12-29 · 4 obs
● 2015-07-08 15:32:18
● 2016-12-29 08:51:44
○ 2026-02-19 10:19:06
○ 2026-04-12 16:32:10
●A2a02:2350:5:10b:80ed:970c:3f71:21f62026-02-19 → 2026-04-12 · 3 obs
○ 2016-12-29 08:51:44
● 2026-02-19 10:19:06
● 2026-04-12 16:32:10
●A46.30.213.1252026-02-19 → 2026-04-12 · 3 obs
○ 2016-12-29 08:51:44
● 2026-02-19 10:19:06
● 2026-04-12 16:32:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkc.nic.dk, s.nic.dk, l.nic.dk, b.nic.dk...-
3z.dkns01.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: 621ms | Queries: -

📄 Records

TypeCountSample Data
A146.30.213.125
AAAA12a02:2350:5:10b:80ed:970c:3f71:21f6

Analysis

IP Addresses

mail.3z.dk points to two IPs: 2a02:2350:5:10b:80ed:970c:3f71:21f6 and 46.30.213.125.

Other host names including tisetjagtforening.dk, cpudom.net, www.oz5pz.dk, mathpower.se and bighugfoundation.org share IP numbers with mail.3z.dk.