| 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026090801 |
| 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 | |
|---|---|---|---|---|
| 2026-09-08 22:22:47 | 503ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-28 01:19:33 | 2414ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-10 05:40:02 | 2319ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-11 00:56:17 | 708ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-26 00:50:36 | 3618ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-23 17:20:24 | 1188ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 15:23:49 | 2525ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-19 15:00:58 | 525ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:47:14 | 372ms | 2 NS 0 A 0 MX | 🔒 Secure | View |