su-tek.dk is a .dk domain served by 4 nameservers (arthur.cutisan.dk, bes.cutisan.dk, merlin.cutisan.dk and 1 more). It was registered on 29 April 2015 (WHOIS) and 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 | Exists, no address |
| www vs bare domain | Neither resolves su-tek.dk: no address www.su-tek.dk: no address |
| 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 |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-04-29 |
| Expires | 2031-04-30 (1645d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 04:34:29 | 1516ms | 4 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-24 03:52:11 | 2277ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-22 19:40:02 | 3625ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-20 02:38:47 | 1153ms | 4 NS 0 A 2 MX | ❓ Unknown |
| 2026-10-19 00:36:46 | 5604ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-17 23:21:19 | 3106ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-16 22:42:30 | 2156ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-15 21:52:44 | 3722ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-14 20:08:07 | 754ms | 4 NS 0 A 2 MX | ❓ Unknown |
| 2026-10-13 19:07:03 | 8185ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-12 17:33:45 | 2186ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-11 15:10:07 | 4275ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-09 12:36:00 | 1069ms | 4 NS 0 A 2 MX | ❓ Unknown |
| 2026-10-09 01:57:14 | 7848ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-08 01:54:32 | 4571ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-07 01:47:21 | 7057ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-03 00:22:42 | 792ms | 4 NS 0 A 2 MX | ❓ Unknown |
| 2026-10-01 20:09:44 | 938ms | 4 NS 0 A 2 MX | ❓ Unknown |
| 2026-09-30 19:54:20 | 4264ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-29 19:43:31 | 2493ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-28 19:28:20 | 6240ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-27 19:18:38 | 2158ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-26 19:06:38 | 2694ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-25 18:50:22 | 2564ms | 4 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-24 18:41:12 | 3624ms | 4 NS 0 A 0 MX | ⚠️ Bogus |