| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081401 |
| 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 | |
|---|---|---|---|---|
| 2026-08-17 09:38:48 | 653ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-15 11:37:26 | 559ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-28 05:50:45 | 969ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-26 08:54:04 | 650ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-21 10:29:10 | 507ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-20 21:44:29 | 1048ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 17:00:53 | 913ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-17 11:38:05 | 640ms | 2 NS 4 A 0 MX | 🔒 Secure | View |