openwaterswimming.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 16 April 2022 (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 | NXDOMAIN |
| www vs bare domain | Neither resolves openwaterswimming.dk: no address www.openwaterswimming.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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 | Simply.com A/S |
| Registered | 2022-04-16 |
| Expires | 2027-04-15 (173d) |
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 |
|---|---|
| acrossoresund.dk | Simply.com A/S |
| oresundswim.dk | Simply.com A/S |
| swimoresund.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 21:39:07 | 270ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-18 21:11:30 | 1707ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-17 20:38:34 | 322ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-16 20:15:24 | 777ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-15 16:51:32 | 370ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-14 16:24:33 | 711ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-13 15:38:12 | 1339ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-11 12:32:00 | 316ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-10 10:18:44 | 711ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-09 07:20:28 | 757ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-08 07:19:19 | 2675ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-07 07:15:14 | 1959ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-06 06:12:10 | 255ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 06:11:03 | 2080ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-04 05:44:43 | 952ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-03 05:41:22 | 337ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-02 05:38:30 | 778ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-01 05:31:28 | 2371ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-30 05:16:35 | 738ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-29 05:14:08 | 792ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-28 04:59:17 | 595ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-27 04:37:15 | 1341ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-26 04:24:29 shown | 775ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-25 03:59:04 | 2073ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-24 03:52:47 | 440ms | 3 NS 0 A 0 MX | ❓ Unknown |