holms-advisory.dk is a .dk domain the registry has taken out of service: it is delegated to the registry's own sentinel nameservers (nonexistent.punktum.dk), so it does not resolve. It was registered on 6 October 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| nonexistent.punktum.dk | — | — | — |
| www | Address record (no CNAME) |
| 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 | ❓ Unknown (the delegated nameservers don't answer) |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | registry sentinel delegation (no resolvable NS); DNSSEC not evaluated |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2025-10-06 |
| Expires | 2026-10-05 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 07:37:47 shown | 218ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-17 06:53:22 | 223ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-16 06:20:35 | 242ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-15 04:42:50 | 128ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-14 04:35:13 | 109ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-13 02:16:21 | 128ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-12 01:37:48 | 237ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-11 00:59:03 | 1652ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-09 23:54:45 | 485ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-08 17:32:43 | 194ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-07 17:02:14 | 766ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-06 16:19:59 | 669ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-03 12:29:38 | 674ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 12:28:25 | 1351ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 11:02:55 | 533ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-09 01:02:21 | 16967ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:22:01 | 2314ms | 3 NS 1 A 1 MX | 🔒 Secure |