riveko.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 4 July 2026 (WHOIS) and first appeared in the .dk zone on 5 July 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 | 94.231.103.41 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | resolution failed: failure |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-07-04 |
| Expires | 2027-07-03 (258d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 05:40:29 | 590ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 05:30:30 | 610ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 10:40:21 | 679ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 23:42:30 | 721ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 03:40:47 | 1326ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 13:29:24 | 710ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 17:40:33 | 1194ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 14:43:19 | 863ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-06 09:57:28 | 1068ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-05 08:36:57 shown | 678ms | 1 NS 0 A 0 MX | ❓ Unknown |