jckingdk.dk is a .dk domain served by 2 nameservers (ali.ns.cloudflare.com, piotr.ns.cloudflare.com). It was registered on 25 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.jckingdk.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.jckingdk.dk | 23.88.49.220 2a01:4f8:1c1e:e581::1 |
mail.jckingdk.dk mail.jckingdk.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.jckingdk.dk → 23.88.49.220 |
| 🔶 Autoconfig | mail.jckingdk.dk → 23.88.49.220 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 100 | 1 | 443 | mail.jckingdk.dk |
| TXT Record |
|---|
| v=spf1 include:mail.jckingdk.dk -all |
| Policy | Record (jckingdk.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:mail.jckingdk.dk -all |
| Policy | Record (_dmarc.jckingdk.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:jejo@jckingdk.dk; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves jckingdk.dk: no address www.jckingdk.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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.
DNS lookups: 1/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.jckingdk.dk | 5kUPKnFbCAo_sV8BiO8mpk6qtJrxWIE-fTUFm4gQDSc |
| TXT | _acme-challenge.jckingdk.dk | 9acrRZsaXTJBN92Eropx3HUAIDjgzUCmjUCv56msrPU |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.jckingdk.dk | DANE-EE · SPKI · SHA-256 | C0533D5677917985A6C34ED799FC39ED… |
| 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 | 2414823879 |
| Primary NS (MNAME) | ali.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 | 2021-04-25 |
| Expires | 2027-04-30 (187d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 07:27:05 | 2656ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-02 05:34:15 | 2998ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-27 04:06:38 | 1112ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-24 02:10:01 | 790ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-15 18:10:42 shown | 2013ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-08 16:40:42 | 1065ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-11 01:35:57 | 1119ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-27 17:08:22 | 1177ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-08 19:08:40 | 1187ms | 2 NS 0 A 1 MX | ❓ Unknown |
| 2026-07-07 01:33:05 | 1274ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-03 14:34:10 | 3117ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-24 19:08:33 | 2686ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:27:47 | 2434ms | 2 NS 0 A 1 MX | 🔓 Insecure |