kardio-x.dk is a .dk domain the registry has taken out of service: it is delegated to the registry's own sentinel nameservers (nonexistent.punktum.dk), so it does not resolve. It was registered on 6 October 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| nonexistent.punktum.dk | — | — | — |
| www | 104.21.18.10 172.67.179.34 2606:4700:3034::6815:120a 2606:4700:3035::ac43:b322 (AS13335) (address records, no CNAME) |
| www vs bare domain | Only www resolves kardio-x.dk: no address (all like this)www.kardio-x.dk: 104.21.18.10 172.67.179.34 2606:4700:3034::6815:120a 2606:4700:3035::ac43:b322 (AS13335) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown (the delegated nameservers don't answer) |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | registry sentinel delegation (no resolvable NS); DNSSEC not evaluated |
| Field | Value |
|---|---|
| Registrar | Openprovider |
| Registered | 2026-10-06 |
| Expires | 2027-10-05 (348d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
Showing 100 of 226.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 22:28:05 | 1368ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-08 14:31:04 | 1567ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-08 14:29:47 | 1706ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-07 13:14:06 | 1678ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-02 18:32:53 shown | 119ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-01 18:29:48 | 95ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 18:18:55 | 233ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-29 18:00:27 | 773ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-29 09:39:23 | 229ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-28 08:36:22 | 769ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-27 22:23:15 | 233ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-26 22:12:35 | 208ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-25 21:57:53 | 187ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-24 21:43:44 | 234ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-23 21:05:59 | 246ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-22 14:07:59 | 230ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-18 14:38:38 | 248ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-16 03:25:09 | 218ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-09 01:59:20 | 224ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-01 20:29:06 | 832ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 20:10:31 | 639ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-24 07:23:53 | 5262ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 02:36:27 | 1673ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-15 13:35:33 | 25404ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-07 03:57:24 | 1333ms | 5 NS 1 A 3 MX | 🔓 Insecure |