c-plan.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 22 July 2026 (WHOIS) and first appeared in the .dk zone on 23 July 2026. The zone is DNSSEC-signed and validates, 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.
| www | 185.20.205.66 (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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026072201 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-07-22 |
| Expires | 2027-07-21 (275d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 11:02:14 | 612ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 10:56:53 | 538ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 19:36:43 | 431ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 04:05:22 | 489ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 10:42:24 | 758ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 08:48:33 shown | 657ms | 3 NS 0 A 0 MX | 🔒 Secure |