mf-rational.dk is a .dk domain with no delegation in this scan. It was registered on 4 February 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 | 93.191.156.133 (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 | 2026-02-04 |
| Expires | 2027-02-03 (108d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 23:16:33 | 419ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 01:05:35 | 432ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 00:54:13 | 477ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 04:20:33 | 459ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 20:55:07 | 845ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 02:43:33 | 575ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 00:17:31 | 573ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 10:31:08 shown | 945ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:33:13 | 1061ms | 3 NS 1 A 1 MX | 🔒 Secure |