tdk-qa.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 9 November 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, publishes a 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.
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (tdk-qa.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.tdk-qa.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; |
| www | Exists, no address |
| www vs bare domain | Neither resolves tdk-qa.dk: no address www.tdk-qa.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 2021111795 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2021-11-09 |
| Expires | 2026-11-08 (14d) |
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 |
|---|---|---|---|
| 2026-10-24 02:48:08 | 1069ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-06 20:27:24 | 583ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-05 20:18:20 | 585ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 18:37:47 | 2426ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-18 17:15:56 | 659ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-17 05:15:51 | 701ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-12 10:06:21 | 631ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-31 14:27:05 | 653ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-30 11:16:55 | 603ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-29 03:29:05 | 509ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-13 04:07:11 | 933ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-24 17:22:02 | 787ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-23 09:28:16 | 724ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-16 03:14:12 | 8508ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-06 23:19:49 | 3238ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-05 08:29:22 | 6006ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 20:33:42 | 2315ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 00:51:21 | 922ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 22:26:31 | 963ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 08:47:47 | 2257ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-18 01:32:19 shown | 731ms | 4 NS 0 A 0 MX | 🔒 Secure |