rybussen.dk is a .dk domain with no delegation in this scan. It 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 | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u13060478.wl229.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u13060478.wl229.sendgrid.net | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| 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 |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 09:02:47 | 1486ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 07:26:29 | 834ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 23:01:14 | 1042ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 17:48:12 | 686ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 01:25:02 | 853ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 07:33:06 | 716ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 16:45:04 shown | 903ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 14:33:41 | 1823ms | 4 NS 1 A 1 MX | 🔒 Secure |