alstrup-nielsen.dk is a registered .dk domain whose nameservers (dns.webdomain.dk, dns2.webdomain.dk) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 4 July 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns.webdomain.dk | 195.249.40.56 | — | AS3292 TDC Holding A/S |
| dns2.webdomain.dk | 195.249.40.57 | ge-7-3-9-100.nsnqe10.dk.ip.tdc.net | AS3292 TDC Holding A/S |
| 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: timed out |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-07-04 |
| Expires | 2027-09-30 (345d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 00:09:12 shown | 56975ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 20:00:24 | 59173ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-31 13:12:16 | 63396ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-23 22:42:21 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 17:57:08 | 61356ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-21 17:47:19 | 61378ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-20 17:36:01 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-19 14:57:18 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-18 14:52:24 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-17 12:32:11 | 59519ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-16 12:24:09 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-15 00:36:28 | 63489ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-13 12:31:25 | 61413ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-11 18:48:55 | 56808ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-10 16:29:33 | 59230ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-09 16:05:58 | 62603ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-08 07:27:43 | 63329ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-07 06:53:22 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-03 00:35:48 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-31 07:17:57 | 64144ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-29 14:38:41 | 55929ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 16:38:21 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-26 16:27:19 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 16:10:00 | 61188ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 15:44:34 | 59190ms | 2 NS 0 A 0 MX | ❓ Unknown |