matematikhåndbogen.dk is a .dk domain with no delegation in this scan. It was registered on 27 August 2024 (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.
| www | NXDOMAIN |
| www vs bare domain | Neither resolves matematikhåndbogen.dk: no address www.matematikhåndbogen.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 | Not applicable: the domain has no delegation, so there is no zone to validate (stored verdict: ❓ Unknown). |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2024-08-27 |
| Expires | 2027-08-26 (304d) |
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 |
|---|---|
| madihjemmet.dk | nordicway ApS |
| matematikcoaching.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 23:33:45 | 1074ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 22:50:27 | 400ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-23 19:47:56 | 348ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-26 15:27:30 | 404ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-26 07:09:26 | 2336ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-23 23:16:46 shown | 364ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 04:37:46 | 493ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 04:16:14 | 497ms | 3 NS 0 A 0 MX | 🔒 Secure |