| 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 | 2026081301 |
| 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 | |
|---|---|---|---|---|
| 2026-08-20 02:58:57 | 4651ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-08-14 11:20:34 | 2569ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-07-22 08:11:24 | 4646ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-07-14 21:27:14 | 2673ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-06-25 03:47:34 | 1536ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-06-24 08:45:25 | 1014ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 20:52:55 | 568ms | 2 NS 0 A 4 MX | 🔒 Secure | View |
| 2026-06-17 07:50:44 | 540ms | 2 NS 0 A 4 MX | 🔒 Secure | View |