yubikey.dk is a .dk domain with no delegation in this scan. It was registered on 27 April 2017 (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.
| www | 35.190.17.235 2600:1901:0:e733:: (AS396982) (address records, no CNAME) |
| www vs bare domain | Same network yubikey.dk: 35.190.17.235 2600:1901:0:e733:: (AS396982) www.yubikey.dk: 35.190.17.235 2600:1901:0:e733:: (AS396982) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | Not applicable: the domain has no delegation, so there is no zone to validate (stored verdict: ❓ Unknown). |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: failure |
| Field | Value |
|---|---|
| Registrar | MarkMonitor Inc. |
| Registered | 2017-04-27 |
| Expires | 2027-04-30 (189d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 05:07:16 | 769ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 20:06:22 | 925ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 17:46:12 | 1568ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 15:33:37 shown | 955ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 00:27:29 | 1101ms | 4 NS 1 A 0 MX | 🔓 Insecure |