idu.dk is a registered .dk domain whose nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 26 April 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown (the delegated nameservers don't answer) |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: failure |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-04-26 |
| Expires | 2027-07-31 (285d) |
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 |
|---|---|---|---|
| 2026-08-24 02:01:57 | 5200ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-23 01:48:24 | 7733ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 01:39:05 shown | 1210ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-21 01:18:31 | 7687ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-20 00:54:51 | 8146ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-18 23:58:43 | 3337ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-17 16:07:23 | 10227ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-16 14:32:57 | 3306ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-15 06:14:57 | 1679ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-13 20:34:04 | 1460ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-11 10:53:26 | 5649ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-10 08:41:36 | 5598ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-09 05:20:26 | 1632ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-06 19:19:56 | 1572ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-01 20:56:41 | 1534ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-30 20:53:45 | 1531ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 05:20:31 | 10377ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-26 04:21:56 | 1704ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 03:58:52 | 10211ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 03:42:54 | 2262ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-23 00:42:45 | 2106ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-21 22:36:57 | 1861ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-20 16:22:02 | 9328ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-19 13:21:05 | 1960ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-18 06:55:54 | 2122ms | 4 NS 0 A 0 MX | ❓ Unknown |