instrumentundervisning.dk is a .dk domain with no delegation in this scan. It was registered on 15 November 2016 (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 | 94.231.103.30 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network instrumentundervisning.dk: 94.231.103.30 (AS48854) www.instrumentundervisning.dk: 94.231.103.30 (AS48854) |
| Wildcard | Yes: any name under the zone resolves |
| 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: failure |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2016-11-15 |
| Expires | 2026-11-30 (42d) |
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 |
|---|---|
| instrumentundervisning-aarhus.dk | Punktum dk A/S (direct) |
| mortenhaugshoej.dk | Simply.com A/S |
| musik-tbu.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 15:13:08 | 660ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 17:48:53 | 528ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 19:58:40 | 1585ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 12:16:16 | 697ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 08:24:36 | 872ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 15:13:19 shown | 295ms | 0 NS 0 A 0 MX | ❓ Unknown |