agstnerbyg.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 | hosting.auxo.dk (all on auxo.dk) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| 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 |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 15:50:57 | 330ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-27 17:43:03 | 439ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-24 03:15:17 | 733ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-18 11:02:56 shown | 2439ms | 1 NS 0 A 0 MX | ❓ Unknown |