sikr.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 7 December 2001 (WHOIS) and 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| www | 93.191.156.213 (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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026100102 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2001-12-07 |
| Expires | 2026-12-31 (70d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 19:25:51 | 813ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 19:19:40 | 659ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 19:16:43 shown | 628ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-25 18:51:37 | 912ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-25 13:02:42 | 745ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-18 05:50:22 | 553ms | 3 NS 1 A 0 MX | 🔓 Insecure |