nb-substans.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. 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 | mc-pfsa8jnzqz.b-cdn.net (all on b-cdn.net) |
| Wildcard | No |
| 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 |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 06:49:25 | 618ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-27 18:02:03 | 593ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-23 08:25:07 | 1326ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 19:11:28 | 474ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-14 18:38:32 | 586ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-13 08:48:56 shown | 4165ms | 1 NS 0 A 0 MX | ❓ Unknown |