443.dk is a .dk domain served by 4 nameservers (ns-1286.awsdns-32.org, ns-1987.awsdns-56.co.uk, ns-289.awsdns-36.com 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns-1286.awsdns-32.org | — | — | — |
| ns-1987.awsdns-56.co.uk | — | — | — |
| ns-289.awsdns-36.com | — | — | — |
| ns-997.awsdns-60.net | — | — | — |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves 443.dk: no address www.443.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 | 1 |
| Primary NS (MNAME) | ns-289.awsdns-36.com |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 13:04:41 | 384ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-30 14:02:35 | 491ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-21 03:24:10 | 764ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 13:14:38 shown | 2406ms | 4 NS 0 A 0 MX | 🔓 Insecure |