addresskey.dk is a .dk domain served by 2 nameservers (ram.ns.cloudflare.com, sandy.ns.cloudflare.com). It was registered on 6 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, 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 | Exists, no address |
| www vs bare domain | Neither resolves addresskey.dk: no address www.addresskey.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2415396678 |
| Primary NS (MNAME) | ram.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2004-02-06 |
| Expires | 2027-02-28 (134d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 09:41:39 | 484ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-04 20:21:14 | 551ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 19:15:45 shown | 497ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-21 17:40:24 | 806ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-04 05:25:57 | 406ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-28 10:56:00 | 398ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-26 10:43:49 | 615ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-25 16:15:38 | 507ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-24 20:08:01 | 470ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-07 01:14:52 | 760ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-03 08:22:05 | 810ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-15 23:27:18 | 637ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-07 00:12:35 | 1608ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-26 02:13:25 | 1260ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-25 09:18:30 | 643ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-24 07:58:42 | 1164ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 04:01:05 | 537ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 09:10:26 | 700ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-16 12:40:07 | 412ms | 2 NS 0 A 0 MX | 🔒 Secure |