heartbeat.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 October 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and has no IPv6 address. 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.
| www | SERVFAIL |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: failure |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-10-29 |
| Expires | 2027-10-31 (374d) |
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).
| Domain | Registrar |
|---|---|
| beck-hansen.dk | Punktum dk A/S (direct) |
| relationstraening.dk | Punktum dk A/S (direct) |
| relationstræning.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 18:39:38 | 1196ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-01 18:37:42 | 894ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-30 18:28:36 | 706ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-29 18:18:35 | 1201ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-28 18:09:47 shown | 674ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-27 17:56:26 | 726ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-26 17:48:52 | 615ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-25 17:35:30 | 671ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-24 17:12:28 | 403ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-28 09:50:44 | 1417ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-23 14:29:13 | 955ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-22 12:07:22 | 6151ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-21 11:50:02 | 4299ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-20 10:58:23 | 24910ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-19 08:20:09 | 5252ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-18 08:14:00 | 10214ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-16 17:22:00 | 10156ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-14 10:41:42 | 10103ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-13 09:17:59 | 1361ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-11 22:50:08 | 1435ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-10 04:50:17 | 24400ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-08 03:46:54 | 2930ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-08-01 05:12:43 | 928ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-29 10:13:20 | 1415ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-07-27 16:59:06 | 878ms | 2 NS 0 A 0 MX | ⚠️ Bogus |