| 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 (tastselv.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.tastselv.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 | |
|---|---|---|---|---|
| 2026-08-28 18:09:30 | 1477ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-16 15:22:21 | 18914ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-12 17:17:41 | 2782ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-08 18:44:18 | 886ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-26 03:03:44 | 2150ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-20 21:49:43 | 3558ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-14 21:12:01 | 8564ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-03 12:24:18 | 950ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-29 14:27:49 | 867ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-26 07:17:33 | 700ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-25 23:48:28 | 900ms | 6 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-24 13:52:50 | 1129ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 16:54:23 | 940ms | 6 NS 0 A 0 MX | ⚠️ Bogus | View |