by-olsson.dk is a .dk domain with no delegation in this scan. It was registered on 3 June 2026 (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 | 93.191.156.150 (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 | 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 | 2026-06-03 |
| Expires | 2027-06-02 (222d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 05:13:31 | 1048ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 06:47:24 | 1115ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 06:46:25 | 1027ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 06:41:54 | 511ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 01:35:05 | 2922ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 15:30:59 shown | 1193ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 18:07:21 | 374ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 18:02:02 | 1752ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 18:01:35 | 2885ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 18:01:00 | 529ms | 3 NS 1 A 1 MX | 🔒 Secure |