nielssonadvisory.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 4 August 2026 (WHOIS) and first appeared in the .dk zone on 5 August 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| nonexistent.punktum.dk | — | — | — |
| www | 93.191.156.65 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | resolution failed: failure |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-08-04 |
| Expires | 2027-08-03 (284d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 13:43:30 | 405ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 13:35:47 | 747ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 07:08:01 | 588ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 15:46:17 | 525ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 17:40:51 | 2693ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 01:09:45 | 1153ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-09 23:13:09 | 1204ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-06 13:10:01 shown | 743ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-05 08:40:13 | 2678ms | 1 NS 0 A 0 MX | ❓ Unknown |