kriskastrup.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 first appeared in the .dk zone on 3 August 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 | NXDOMAIN |
| www vs bare domain | Neither resolves kriskastrup.dk: no address www.kriskastrup.dk: no address |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| 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 |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 17:51:10 | 427ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-12 18:06:55 | 1082ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-03 23:55:20 | 661ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-26 23:01:56 | 567ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-21 23:26:09 | 688ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-09 04:41:46 | 2443ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-05 17:05:46 | 867ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-28 07:44:56 | 466ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-08 02:01:34 | 553ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-05 01:33:37 | 1009ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-03 08:37:20 shown | 748ms | 1 NS 0 A 0 MX | ❓ Unknown |