leertech.dk is a .dk domain served by 2 nameservers (jessica.ns.cloudflare.com, nicolas.ns.cloudflare.com). It was registered on 16 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.1gbit.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.1gbit.dk | 116.203.136.184 | mail.1gbit.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 mx ~all |
| Policy | Record (leertech.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ~all |
| Policy | Record (_dmarc.leertech.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:kontakt@leertech.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves leertech.dk: no address www.leertech.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
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.leertech.dk | g_JRdP2pKf-1bNa_HizUdfvp-4ADclkN0-kSmKR_Wt4 |
| TXT | _acme-challenge.leertech.dk | xrb1oMsgztp-0KNv8-cidDw8F2AOo7Jr5HKheP5Ri_U |
| 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 | 2414119931 |
| Primary NS (MNAME) | jessica.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2025-12-16 |
| Expires | 2026-12-15 (57d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 11:09:00 | 962ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-09 04:42:27 | 2420ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-05 23:51:51 | 1318ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-03 23:46:47 | 2108ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-02 23:42:25 | 845ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-01 23:41:33 | 991ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-30 23:36:28 | 872ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-30 13:37:06 | 1200ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-28 13:22:45 | 1047ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-24 12:46:45 | 1208ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-23 10:02:31 | 820ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-18 11:07:26 | 1709ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-11 09:20:06 | 9855ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-07 04:35:00 shown | 776ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-26 21:20:49 | 1025ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-11 04:18:27 | 2490ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-07 02:34:38 | 989ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-04 19:51:28 | 1403ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-25 20:52:10 | 2612ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 02:28:56 | 1208ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-22 04:17:59 | 1134ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 12:52:47 | 731ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:01:11 | 777ms | 2 NS 0 A 1 MX | 🔓 Insecure |