1und1-dns.dk is a .dk domain served by 4 nameservers (ns-biz.ui-dns.biz, ns-biz.ui-dns.com, ns-biz.ui-dns.de and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| www | NXDOMAIN |
| www vs bare domain | Neither resolves 1und1-dns.dk: no address www.1und1-dns.dk: no address |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2011021033 |
| Primary NS (MNAME) | ns-biz.ui-dns.biz |
| Responsible (RNAME) | dnsadmin@ionos.com |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 06:49:17 shown | 1138ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-02 19:12:58 | 4013ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-21 23:30:30 | 1226ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 12:43:27 | 2525ms | 4 NS 0 A 0 MX | 🔓 Insecure |