birkerød.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 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.rudersdal.dk | — | — | — |
| ns2.rudersdal.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.85.44.43 | — | — | AS200538 | — | — | — | Stenløse |
| www CNAME | hosted-by.rudersdal.dk (all on rudersdal.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 7 |
| 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 |
|---|---|---|---|
| 2026-10-21 19:23:53 | 480ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-09 13:34:21 | 804ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-24 00:48:23 | 2414ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 14:36:30 | 9531ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-30 20:05:02 | 529ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 14:45:01 shown | 324ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 14:41:01 | 578ms | 2 NS 1 A 0 MX | 🔒 Secure |