birgerchristensen.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 2 November 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns07.sac-it.dk | 85.235.243.63 | ns07.sac-it.dk | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| www | 195.184.96.16 (AS3308) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026082001 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@birgerchristensen.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-11-02 |
| Expires | 2026-12-31 (70d) |
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).
| Domain | Registrar |
|---|---|
| christensen-cph.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 01:25:41 | 516ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-08 12:57:15 | 504ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-02 01:21:05 | 627ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-28 00:13:56 | 452ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-24 12:08:57 | 430ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-22 04:52:12 | 442ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-16 15:00:08 | 9426ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-12 10:22:21 | 488ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-03 14:26:22 | 774ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 21:58:25 | 389ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-21 00:15:23 shown | 3538ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-13 02:39:03 | 1065ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-07 12:34:59 | 8567ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-06 01:07:48 | 487ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-23 09:31:33 | 16338ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-17 05:07:12 | 460ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-09 13:17:44 | 8519ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-02 10:32:08 | 883ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-22 20:31:25 | 1170ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 23:29:15 | 548ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 14:39:18 | 425ms | 2 NS 0 A 0 MX | 🔓 Insecure |