leifheit.dk is a .dk domain with no delegation in this scan. 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 CNAME | www.leifheit.dk.cdn.cloudflare.net (all on cloudflare.net) |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u30902304.wl055.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u30902304.wl055.sendgrid.net | RSA · ~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 |
|---|---|---|---|
| 2026-09-25 14:02:16 | 916ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 01:05:24 | 3149ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 01:29:08 | 1124ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 20:55:04 | 978ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 01:38:52 | 595ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 00:24:03 shown | 1163ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 06:40:49 | 3110ms | 2 NS 1 A 1 MX | 🔒 Secure |