birkeroed.dk is a .dk domain served by 2 nameservers (ns1.rudersdal.dk, ns2.rudersdal.dk). It 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 |
|---|---|---|---|
| ns1.rudersdal.dk | — | — | — |
| ns2.rudersdal.dk | — | — | — |
| www CNAME | hosted-by.rudersdal.dk (all on rudersdal.dk) |
| 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 | 19 |
| Primary NS (MNAME) | ns1.rudersdal.dk |
| Responsible (RNAME) | hostmaster@rudersdal.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 11:18:30 | 385ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-29 20:27:01 | 338ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-27 17:24:20 | 2662ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-21 08:42:46 | 2670ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-23 01:10:11 | 399ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 14:42:33 shown | 288ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 14:40:57 | 299ms | 2 NS 0 A 0 MX | 🔓 Insecure |