katholm.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 19 August 2026 (WHOIS) and first appeared in the .dk zone on 20 August 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 | 185.21.42.106 (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 | 2026081901 |
| 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 | 2026-08-19 |
| Expires | 2027-08-18 (302d) |
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 19:21:26 | 1127ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 04:55:02 | 863ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 14:06:20 | 1105ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 15:03:39 | 1178ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 17:27:59 | 1423ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 08:59:09 shown | 678ms | 3 NS 0 A 0 MX | 🔒 Secure |