| 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 | 2026080101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-03 10:33:55 | 2564ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-03 10:10:09 | 4268ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-26 01:50:10 | 555ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-23 21:29:05 | 642ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-23 03:46:01 | 1027ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 03:15:49 | 535ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-20 07:50:33 | 726ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-17 11:34:48 | 597ms | 2 NS 4 A 0 MX | 🔒 Secure | View |