mailtools.dk is a .dk domain served by 4 nameservers (arthur.cutisan.dk, bes.cutisan.dk, merlin.cutisan.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed but currently fails validation, 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.
| www CNAME | arthur.cutisan.dk (all on cutisan.dk) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 16-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: failure |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 09:51:25 | 1064ms | 4 NS 0 A 2 MX | ❓ Unknown |
| 2026-10-15 06:40:09 | 4237ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-13 04:19:39 | 1080ms | 4 NS 0 A 2 MX | ❓ Unknown |
| 2026-10-12 02:52:29 | 3014ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-11 01:53:09 | 3406ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-09 22:43:12 | 1157ms | 4 NS 0 A 2 MX | ❓ Unknown |
| 2026-10-08 21:28:58 | 2453ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-07 21:26:13 | 3975ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-06 21:22:13 | 780ms | 4 NS 0 A 2 MX | ❓ Unknown |
| 2026-10-05 20:36:58 | 2749ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-04 20:26:12 | 3275ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-02 20:20:15 | 1208ms | 4 NS 0 A 2 MX | ❓ Unknown |
| 2026-10-01 20:19:35 | 2405ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-30 20:15:36 | 3725ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-29 20:02:18 | 2806ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-28 19:51:12 | 2704ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-27 19:46:56 | 2280ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-26 19:42:13 | 2389ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-25 19:32:18 | 3517ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-24 19:22:08 | 2564ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-23 18:07:52 | 4022ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-22 07:28:53 | 6164ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-15 06:54:34 shown | 5684ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-08 04:34:13 | 4787ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-04 00:01:08 | 2273ms | 4 NS 0 A 0 MX | ⚠️ Bogus |