holm-martinussen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 August 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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.
| www CNAME | ghs.google.com (all on google.com) |
| www vs bare domain | Only www resolves holm-martinussen.dk: no address (all like this)www.holm-martinussen.dk: 172.217.20.179 2a00:1450:400f:805::2013 (AS15169) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| 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 |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-08-05 |
| Expires | 2027-08-31 (312d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 03:03:28 shown | 780ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-10-04 04:16:28 | 433ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-15 04:34:21 | 941ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-02 06:47:58 | 2716ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-15 12:13:22 | 1439ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-17 02:36:07 | 1460ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-02 04:47:38 | 9983ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-17 12:14:13 | 728ms | 2 NS 0 A 7 MX | 🔒 Secure |