luks.dk is a .dk domain the registry has taken out of service: it is delegated to the registry's own sentinel nameservers (nonexistent.punktum.dk), so it does not resolve. It was registered on 17 September 2026 (WHOIS) and first appeared in the .dk zone on 18 September 2026. 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 |
|---|---|---|---|
| nonexistent.punktum.dk | — | — | — |
| www CNAME | custom-domains.chatgpt.site (all on chatgpt.site) |
| www vs bare domain | Same network luks.dk: 162.159.143.30 172.66.3.26 (AS13335) www.luks.dk: 104.18.22.186 104.18.23.186 2606:4700::6812:16ba 2606:4700::6812:17ba (AS13335) |
| Wildcard | No |
| 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 | ❓ Unknown (the delegated nameservers don't answer) |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: failure |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-09-17 |
| Expires | 2027-09-16 (332d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 18:05:25 | 1412ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-02 17:46:56 | 368ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-30 17:36:08 | 376ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-30 05:09:53 | 456ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-24 03:25:25 | 374ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-21 02:53:40 | 551ms | 3 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-18 10:43:39 shown | 2772ms | 1 NS 0 A 0 MX | ❓ Unknown |