harderholm.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 September 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.meldgaard.net. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.meldgaard.net | 2a02:2350:5:10e:c5:f43f:c0d:56dd 46.30.215.24 |
— webcluster1.webpod15-cph3.one.com |
AS51468 One.com A/S AS51468 One.com A/S |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026052601 |
| 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 | 2008-09-13 |
| Expires | 2026-09-30 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 06:39:51 | 216ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-24 19:43:31 | 352ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-22 16:51:13 | 106ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-21 06:29:07 | 99ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-20 00:40:00 | 104ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-18 23:51:51 | 105ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-17 23:02:53 | 334ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-16 21:52:13 | 229ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-15 21:13:41 | 318ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-14 20:27:34 | 235ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-13 19:52:12 | 207ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-12 15:58:35 | 207ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-11 08:54:55 | 311ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-10 07:02:31 | 130ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-09 05:50:59 | 231ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-08 05:48:03 | 627ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-07 05:46:37 | 132ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-06 01:59:28 | 394ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 01:54:49 | 213ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-04 01:42:21 | 146ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-03 01:41:25 | 168ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-02 01:40:28 | 99ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-01 01:29:20 | 892ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-27 00:13:36 | 1274ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 23:42:08 | 6571ms | 2 NS 0 A 1 MX | 🔒 Secure |