mail.optimer.dk - robtex.com

mail.optimer.dk

DNSSEC⚠️ Not signed
A2a02:2350:5:10a:c2:57b8:5bc7:52c3🇩🇰 ONECOM2a02:2350::/32 One.com A/S
A46.30.213.24🇩🇰 ONECOM46.30.208.0/21 One.com A/S

optimer.dk

DNSSEC🔒 Signed (DS record present)
A46.30.213.31🇩🇰 ONECOM46.30.208.0/21 One.com A/S
NSns01.one.com ⭐
NSns02.one.com
MXoptimer-dk.mail.protection.outlook.com ⭐
TXTMS=ms69477605
TXTv=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:sp...
SOAns01.one.comhostmaster@one.com 2026-02-26 #1

PTR for

133.183.58.86.in-addr.arpa

Same first word

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DNS History

3 records (2 active, 1 former)

20162017201820192020202120222023202420252026A2a02:2350:5:10a:c2:57b8:5bc7:52c346.30.213.24178.209.171.95
○A178.209.171.952015-08-09 → 2016-05-16 · 4 obs
● 2015-08-09 01:16:34
● 2016-05-16 21:23:14
○ 2026-02-15 19:01:50
○ 2026-03-29 21:23:50
●A2a02:2350:5:10a:c2:57b8:5bc7:52c32026-02-15 → 2026-03-29 · 3 obs
○ 2016-05-16 21:23:14
● 2026-02-15 19:01:50
● 2026-03-29 21:23:50
●A46.30.213.242026-02-15 → 2026-03-29 · 3 obs
○ 2016-05-16 21:23:14
● 2026-02-15 19:01:50
● 2026-03-29 21:23:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkb.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...-
optimer.dkns01.one.com, ns02.one.com-

✅ Authoritative Response

Server:195.206.121.10

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1000ms | Queries: -

📄 Records

TypeCountSample Data
A146.30.213.24
AAAA12a02:2350:5:10a:c2:57b8:5bc7:52c3

Analysis

IP Addresses

mail.optimer.dk points to two IPs: 2a02:2350:5:10a:c2:57b8:5bc7:52c3 and 46.30.213.24.

Other host names, for instance trashgames.co.uk, svepa.se, roffes.eu, ramati.dk and www.havregaard.dk share IP numbers with mail.optimer.dk.