| 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 | 2026082401 |
| 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 | |
|---|---|---|---|---|
| 2026-09-01 00:26:41 | 545ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-26 17:05:24 | 698ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-25 02:27:46 | 572ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-25 02:25:52 | 8498ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-25 17:01:32 | 8524ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-02 01:25:46 | 566ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-28 12:49:54 | 1234ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-24 12:29:45 | 963ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-21 04:52:40 | 774ms | 2 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-06-18 05:27:11 | 396ms | 0 NS 0 A 0 MX | ❓ Unknown | View |