6400.dk is a .dk domain with no delegation in this scan. It was registered on 21 April 2021 (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 | 6400.dk (all on 6400.dk) → 45.79.250.72 (AS63949) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| 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 | Punktum dk A/S (direct) |
| Registered | 2021-04-21 |
| Expires | 2027-04-30 (195d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
Showing 100 of 109.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 00:06:07 | 1509ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 21:29:06 | 1457ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 03:16:27 | 1697ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 20:16:18 | 2818ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 19:39:43 shown | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 15:01:17 | 2292ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:14:10 | 652ms | 3 NS 1 A 1 MX | 🔓 Insecure |