esenoptimize.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 1 October 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 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 | Address record (no CNAME) |
| 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 | ❓ Unknown (the delegated nameservers don't answer) |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | registry sentinel delegation (no resolvable NS); DNSSEC not evaluated |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2025-10-01 |
| Expires | 2026-09-30 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 17:15:43 | 112ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-22 04:26:47 | 306ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-21 00:13:26 | 318ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-19 22:07:29 | 227ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-18 21:51:47 | 223ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-17 20:43:37 | 326ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-16 20:14:31 | 368ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-15 18:54:39 | 351ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-14 18:04:21 | 92ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-13 17:03:22 | 96ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-12 14:58:46 | 438ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-11 14:24:35 | 115ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-10 14:05:09 | 117ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-09 13:40:55 | 456ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-08 12:42:08 | 320ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-07 12:32:33 | 209ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-06 12:10:46 | 517ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 11:41:55 | 434ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-04 11:26:43 | 125ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-03 11:25:14 shown | 580ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-02 11:24:53 | 565ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-26 10:40:51 | 2439ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 04:43:15 | 522ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 00:46:44 | 6513ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 10:58:07 | 970ms | 0 NS 0 A 0 MX | ❓ Unknown |