| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | gate1.sikkermail.nu | — | — | — |
| 20 | 43200s | gate2.sikkermail.nu | — | — | — |
| 30 | 43200s | aspdeliver1.inventio.it | — | — | — |
| 40 | 43200s | aspdeliver2.inventio.it | — | — | — |
| 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 | |
|---|---|---|---|---|
| 2026-09-03 06:55:30 | 657ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-08-31 12:41:37 | 561ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-07-04 14:59:49 | 859ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-06-23 02:11:29 | 614ms | 2 NS 0 A 4 MX | ⚠️ Bogus | View |
| 2026-06-16 15:52:02 | 1333ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-06-16 15:33:11 | 2594ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-06-16 15:30:10 | 709ms | 2 NS 0 A 4 MX | 🔒 Secure | View |