ntp-byg.dk is a .dk domain the registry has taken out of service: it is delegated to the registry's own sentinel nameservers (nonexistent.punktum.dk), so it does not resolve. It was registered on 16 September 2016 (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 |
|---|---|---|---|
| nonexistent.punktum.dk | — | — | — |
| www CNAME | autodiscover.outlook.com (all on outlook.com) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| 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 | 2016-09-16 |
| Expires | 2026-09-30 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 13:56:28 | 103ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-01 13:55:32 shown | 1722ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 13:45:54 | 729ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-06 18:24:11 | 1891ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-26 17:54:17 | 1219ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-21 09:33:25 | 5446ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-09 11:37:54 | 5135ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-14 08:21:02 | 9489ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-27 17:31:58 | 936ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-23 04:34:49 | 1098ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 22:47:10 | 1419ms | 2 NS 0 A 1 MX | 🔒 Secure |