| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.236.58.219 | 600s | — | AS8075 | Microsoft Corporation | 52.224.0.0/11 | 🇮🇪 Ireland | Dublin |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 09:55:03 | 910ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 14:37:51 | 716ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 12:52:48 | 1184ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 12:41:56 | 621ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-23 06:18:14 | 4627ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-19 02:28:18 | 3571ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 17:36:05 | 4956ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-28 06:42:53 | 675ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-23 03:37:46 | 821ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-21 12:43:27 | 554ms | 2 NS 1 A 4 MX | ⚠️ Bogus | View |
| 2026-06-21 00:41:08 | 959ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 14:39:30 | 1373ms | 2 NS 1 A 4 MX | 🔒 Secure | View |