koop.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 1 November 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is not DNSSEC-signed, 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.103.75 |
| 🔶 Autoconfig | 94.231.103.75 |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:77.66.30.201 ?all |
| Policy | Record (koop.dk) |
|---|---|
| ?all (neutral) | v=spf1 +a +mx +ip4:77.66.30.201 ?all |
| www | 94.231.103.75 (AS48854) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| 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 |
DNS lookups: 2/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2024111701 |
| 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 | 2025-11-01 |
| Expires | 2027-10-31 (371d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 21:57:18 | 1939ms | 4 NS 0 A 7 MX | 🔓 Insecure |
| 2026-10-01 04:23:49 | 2397ms | 4 NS 0 A 7 MX | 🔓 Insecure |
| 2026-08-31 14:34:10 | 795ms | 4 NS 0 A 7 MX | 🔓 Insecure |
| 2026-06-18 05:36:16 shown | 824ms | 4 NS 0 A 7 MX | 🔓 Insecure |