defkat.dk is a .dk domain served by 2 nameservers (sec1.rcode0.net, sec2.rcode0.net). It was registered on 6 January 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 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.
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:domains@dbc.dk |
| 0 | issue | letsencrypt.org |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves defkat.dk: no address www.defkat.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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2022033449 |
| Primary NS (MNAME) | ns.dbc.dk |
| Responsible (RNAME) | domains@dbc.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | DBC DIGITAL A/S |
| Registered | 2000-01-06 |
| Expires | 2027-03-31 (164d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 04:31:03 | 1598ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-14 00:45:54 | 474ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-12 20:02:21 | 463ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-09 10:22:17 | 457ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-08 23:53:11 | 513ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-07 23:50:13 | 502ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-04 23:02:59 | 2372ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-03 22:41:35 | 383ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 22:26:14 shown | 492ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 21:46:45 | 9352ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 18:07:17 | 478ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 17:47:36 | 469ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-23 17:37:42 | 437ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-18 02:12:30 | 1336ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-11 00:55:52 | 463ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-06 22:28:40 | 471ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-04 04:14:57 | 399ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-30 13:06:43 | 377ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-29 00:47:48 | 708ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 23:35:25 | 657ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-25 08:18:27 | 1425ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-24 07:09:58 | 1394ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-21 03:01:37 | 2562ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-20 01:00:26 | 706ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-16 16:45:27 | 1002ms | 2 NS 0 A 0 MX | 🔒 Secure |