kingduck.dk is a .dk domain served by 2 nameservers (harley.ns.cloudflare.com, tara.ns.cloudflare.com). It was registered on 1 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by route3.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| TXT Record |
|---|
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (kingduck.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (_dmarc.kingduck.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:andmghan@gmail.com |
| www | 104.21.26.147 172.67.136.132 2606:4700:3033::6815:1a93 2606:4700:3033::ac43:8884 (AS13335) (address records, no CNAME) |
| www vs bare domain | Only www resolves kingduck.dk: no address (all like this)www.kingduck.dk: 104.21.26.147 172.67.136.132 2606:4700:3033::6815:1a93 2606:4700:3033::ac43:8884 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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.
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2415576523 |
| Primary NS (MNAME) | harley.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-03-01 |
| Expires | 2028-02-29 (492d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 10:15:04 | 705ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-19 17:05:55 | 2133ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-06 13:30:32 | 4459ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-03 11:54:16 shown | 514ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-01 06:14:43 | 816ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-09-23 16:53:12 | 1062ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-08-14 01:48:08 | 1866ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-08-09 08:04:47 | 1963ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-01 09:17:32 | 1660ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-25 20:55:20 | 2426ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-22 20:50:41 | 1123ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-18 06:44:07 | 1493ms | 2 NS 2 A 3 MX | 🔓 Insecure |