borosilikat.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 3 October 2026 (WHOIS) and first appeared in the .dk zone on 4 October 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 | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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 | Simply.com A/S |
| Registered | 2026-10-03 |
| Expires | 2027-10-02 (350d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 14:29:51 | 304ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 22:43:32 | 299ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 12:20:16 | 595ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-07 12:07:13 | 1123ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-07 12:05:41 | 612ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-06 10:17:48 | 394ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 08:48:34 | 222ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-04 08:30:48 shown | 752ms | 1 NS 0 A 0 MX | ❓ Unknown |