4u.dk is a registered .dk domain whose nameservers (ns1.aspectnetworks.dk, ns2.aspectnetworks.dk) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 17 April 1997 (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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.aspectnetworks.dk | 185.51.79.31 | a400backup.powernet.dk | AS205984 Powernet Aps |
| ns2.aspectnetworks.dk | 185.51.79.31 | a400backup.powernet.dk | AS205984 Powernet Aps |
| 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 | 1997-04-17 |
| Expires | 2027-06-30 (254d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:17:42 | 54857ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-29 20:01:43 | 56991ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-27 21:40:02 | 55169ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-25 11:35:57 | 55307ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-23 12:57:47 | 64344ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 10:22:43 | 59361ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-21 10:13:25 | 50263ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-20 08:59:14 | 57341ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-19 07:25:50 | 52990ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-17 06:16:01 | 55498ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-16 02:30:58 | 57216ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-15 00:07:11 | 57205ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-13 16:53:55 | 55171ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-12 10:18:09 | 57254ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-11 07:29:35 | 55278ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-10 05:13:38 | 57425ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-06 08:05:48 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-02 06:43:02 shown | 49904ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-28 01:10:04 | 57392ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 00:57:05 | 56719ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 23:57:52 | 59153ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 23:36:25 | 56790ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-23 22:22:13 | 55228ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-22 20:35:13 | 58767ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-21 06:08:13 | 58851ms | 2 NS 0 A 0 MX | ❓ Unknown |