| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 1800s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| SKAT |
| v=spf1 -all |
| Policy | Record (letløn.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.letløn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:fd0c97ad@in.mailhardener.com; ruf=mailto:fd0c97ad@in.mailhardener.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025091847 |
| Primary NS (MNAME) | df-ns01.skat.dk |
| Responsible (RNAME) | hostmaster@csc.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 11:07:46 | 551ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-24 01:58:27 | 814ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-17 13:08:53 | 2390ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-12 07:44:13 | 2234ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-09 23:40:57 | 751ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-26 16:44:10 | 1875ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-20 12:44:14 | 9402ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-10 11:40:11 | 2670ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-03 15:40:02 | 1095ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-30 21:01:16 | 1005ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-25 13:47:04 | 6055ms | 6 NS 0 A 1 MX | ⚠️ Bogus | View |
| 2026-06-25 05:36:04 | 445ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 11:49:46 | 704ms | 6 NS 0 A 0 MX | 🔒 Secure | View |