nikolajholk.dk is a .dk domain with no delegation in this scan. It was registered on 3 January 2001 (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 CNAME | ghs.google.com (all on google.com) |
| www vs bare domain | Same network nikolajholk.dk: 216.239.32.21 216.239.34.21 216.239.36.21 216.239.38.21 (AS15169) www.nikolajholk.dk: 142.251.142.243 2a00:1450:400f:807::2013 (AS15169) |
| 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 | 2001-01-03 |
| Expires | 2027-03-31 (158d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 23:22:46 | 642ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-27 00:32:57 | 636ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-25 06:18:21 | 2840ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-22 11:50:16 shown | 1174ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 07:29:30 | 728ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-17 13:29:20 | 3088ms | 4 NS 4 A 1 MX | 🔒 Secure |