| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | gate1.sikkermail.nu | — | — | — |
| 20 | 43200s | gate2.sikkermail.nu | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.sikkermail.nu |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 10:27:04 | 672ms | 2 NS 0 A 2 MX | 🔒 Secure | View |
| 2026-06-24 15:08:37 | 637ms | 2 NS 0 A 2 MX | 🔒 Secure | View |
| 2026-06-21 08:02:33 | 1025ms | 2 NS 0 A 2 MX | 🔒 Secure | View |
| 2026-06-21 06:34:49 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 16:15:28 | 1586ms | 2 NS 0 A 2 MX | ⚠️ Bogus | View |
| 2026-06-17 19:46:44 | 549ms | 2 NS 0 A 2 MX | 🔒 Secure | View |