51dn.dk is a .dk domain served by 2 nameservers (ns1.siteground.net, ns2.siteground.net). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| Policy | Record (_dmarc.51dn.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; aspf=r; adkim=r; |
| www | Address record (no CNAME) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | 51dn.dk.default.dkim.auto.dnssmarthost.net | RSA · ~1024 bit below 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 06:45:13 | 598ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 12:33:34 | 1410ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-25 22:24:40 | 9684ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-16 19:21:48 | 1794ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-29 04:27:25 | 1059ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-27 13:50:14 shown | 13750ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-15 17:43:11 | 935ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-02 11:03:13 | 4137ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 00:43:08 | 574ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 13:14:13 | 696ms | 2 NS 1 A 3 MX | 🔓 Insecure |