cmk.dk - robtex.com
cmk.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 176.21.113.227🇩🇰 TDC176.21.0.0/16 | ||||||
| PTR | 176-21-113-227-cable.dk.customer.tdc.net | ||||||
| NS | ns01.one.com ⭐ | ||||||
| A | 2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48 | ||||||
| PTR | ns01.one.com | ||||||
| A | 195.206.121.10ONECOM-INFRA195.206.121.0/24 | ||||||
| PTR | ns01.one.com | ||||||
| NS | ns02.one.com | ||||||
| A | 2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48 | ||||||
| PTR | ns02.one.com | ||||||
| A | 185.10.11.10ONECOM185.10.11.0/24 | ||||||
| PTR | ns02.one.com | ||||||
| MX | cmk.dk ⭐ 🔒 | ||||||
| A | 176.21.113.227🇩🇰 TDC176.21.0.0/16 | ||||||
| PTR | 176-21-113-227-cable.dk.customer.tdc.net | ||||||
| TXT | v=spf1 a mx -all | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-04-27 #1 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1778392621localtime Sun May 10 07:57:01 2026gmtime Sun Ma... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1778392621 | ||||||
MX for
cmk.dk |
Subdomains
www.cmk.dk |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns01.one.com2026-04-09 → 2026-05-10 · 3 obs
● 2026-04-09 14:27:58
● 2026-05-10 06:25:56
●NSns02.one.com2026-04-09 → 2026-05-10 · 3 obs
● 2026-04-09 14:27:58
● 2026-05-10 06:25:56
○NSns1.pil.dk2015-08-14 → 2017-08-04 · 4 obs
● 2017-08-04 09:10:58
○ 2026-04-09 14:27:58
○ 2026-05-10 06:25:56
○NSns2.pil.dk2015-08-14 → 2017-08-04 · 4 obs
● 2017-08-04 09:10:58
○ 2026-04-09 14:27:58
○ 2026-05-10 06:25:56
○NSns3.pil.dk2015-08-14 → 2017-08-04 · 4 obs
● 2017-08-04 09:10:58
○ 2026-04-09 14:27:58
○ 2026-05-10 06:25:56
●MXcmk.dk2026-04-09 → 2026-05-10 · 3 obs
● 2026-04-09 14:27:58
● 2026-05-10 06:25:56
○MXmx02.pil.dk2015-08-14 → 2017-08-04 · 4 obs
● 2017-08-04 09:10:58
○ 2026-04-09 14:27:58
○ 2026-05-10 06:25:56
○MXmx03.pil.dk2015-08-14 → 2017-08-04 · 4 obs
● 2017-08-04 09:10:58
○ 2026-04-09 14:27:58
○ 2026-05-10 06:25:56
●A176.21.113.2272026-04-09 → 2026-05-10 · 2 obs
● 2026-05-10 06:25:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | s.nic.dk, t.nic.dk, h.nic.dk, b.nic.dk... | - |
| cmk.dk | ns01.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: 707ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 176.21.113.227 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 1 | cmk.dk (pri: 10) |
| TXT | 1 | v=spf1 a mx -all |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
Hierarchy
The parent of www.cmk.dk is cmk.dk.
Mail Server Role
cmk.dk serves as a mail server for cmk.dk.
IP Addresses
cmk.dk points to a single IP: 176.21.113.227.
Other host names, for example mail.klestrup.com, 176-21-113-227-cable.dk.customer.tdc.net, www.cmk.dk and klestrup.com share IP numbers with cmk.dk.
Name Servers
Two name servers ns01.one.com and ns02.one.com handle delegation for cmk.dk.
cmk.dk uses the same name server setup as other domains, for example ekoip.se, boneheadlabs.com, casachiado.pt, michaelkleber.com and sinotex.dk.
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
cmk.dk is handled by a single mail server, cmk.dk.
cmk.dk points to a single IP: 176.21.113.227.