| 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 | 2026090101 |
| 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 | |
|---|---|---|---|---|
| 2026-09-04 07:34:10 | 471ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-29 13:49:36 | 909ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-02 07:38:27 | 8527ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-04 08:13:22 | 635ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-03 06:39:28 | 582ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-01 19:11:46 | 796ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-26 05:59:34 | 541ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-25 19:57:51 | 2293ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-23 15:12:19 | 1182ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 15:21:06 | 432ms | 2 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-16 15:20:35 | 2394ms | 2 NS 0 A 0 MX | 🔒 Secure | View |