busch-knudsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| TXT Record |
|---|
| apple-domain=cL4ID0uQ6SBPk37I |
| v=spf1 redirect=icloud.com |
| Policy | Record (busch-knudsen.dk) |
|---|---|
| redirect=icloud.com | v=spf1 redirect=icloud.com |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 23:09:46 shown | 1658ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-01 04:56:27 | 615ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-24 02:11:34 | 578ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-13 12:46:09 | 2606ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-27 09:14:47 | 2636ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-25 02:51:49 | 2718ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-15 16:44:12 | 1457ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-25 14:16:30 | 7009ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-14 22:04:34 | 9085ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-02 22:07:23 | 18808ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-25 21:40:22 | 1861ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-16 17:46:07 | 815ms | 2 NS 0 A 2 MX | 🔒 Secure |