holdkort.dk is a .dk domain served by 2 nameservers (ns1.alco.dk, ns2.alco.dk). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.alco.dk | 46.225.229.1 | ns1.alco.dk | AS24940 Hetzner Online GmbH |
| ns2.alco.dk | 89.167.94.156 | ns2.alco.dk | AS24940 Hetzner Online GmbH |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves holdkort.dk: no address www.holdkort.dk: no address |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 3 |
| Primary NS (MNAME) | ns1.alco.dk |
| Responsible (RNAME) | monitor@alco.dk |
| Refresh | 900s |
| Retry | 300s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-25 22:36:32 | 499ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-01 02:09:33 | 570ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-25 00:33:11 | 570ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-23 21:52:28 shown | 578ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-21 23:17:51 | 528ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 13:41:41 | 1439ms | 2 NS 0 A 0 MX | 🔓 Insecure |