| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.holger.nu | 94.46.45.113 | mail.holger.nu | AS200719 Miss Hosting AB |
| TXT Record |
|---|
| v=spf1 mx include:spf.smtp-engine.com -all |
| Policy | Record (physiology.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.smtp-engine.com -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026032401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 02:52:10 | 718ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-25 17:44:22 | 657ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-29 12:48:31 | 639ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-26 20:56:51 | 620ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-21 03:32:39 | 628ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-20 05:17:49 | 2609ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-17 12:13:25 | 873ms | 2 NS 0 A 1 MX | 🔒 Secure | View |