cbirkkjaer.dk is a .dk domain with no delegation in this scan. It was registered on 8 September 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 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.
| www | Exists, no address |
| www vs bare domain | www does not resolve cbirkkjaer.dk: 104.21.82.95 172.67.199.225 2606:4700:3036::ac43:c7e1 2606:4700:3037::6815:525f (AS13335) (all like this)www.cbirkkjaer.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Check | Result |
|---|---|
| Validation Status | Not applicable: the domain has no delegation, so there is no zone to validate (stored verdict: ❓ Unknown). |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: failure |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-09-08 |
| Expires | 2027-09-30 (344d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 00:49:34 | 894ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-18 00:00:00 | 1634ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-14 21:12:33 | 1750ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-13 20:20:56 | 1477ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-12 18:57:47 | 1473ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-10 17:01:05 | 5126ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-08 13:24:55 | 1565ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-07 13:15:18 | 1341ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-04 03:01:13 | 4344ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-10-01 18:53:47 | 1289ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-30 18:50:12 | 1162ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-28 18:32:37 | 966ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-27 18:15:48 | 1104ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-25 17:55:18 | 964ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-14 22:23:03 | 2714ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-09-07 20:08:00 | 2585ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-31 06:22:59 | 2429ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-28 08:43:29 | 882ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-26 20:59:22 | 978ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-23 04:29:53 | 11008ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-22 04:22:10 | 1966ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-19 01:59:16 | 17828ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-17 19:39:21 | 1855ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-14 18:49:14 | 3490ms | 2 NS 2 A 7 MX | 🔒 Secure |
| 2026-08-13 09:41:02 | 11232ms | 2 NS 2 A 7 MX | 🔒 Secure |