| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.236.58.219 | 900s | — | 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 | 2026081701 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 17:46:24 | 577ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-18 08:11:38 | 1173ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 13:32:44 | 9507ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 11:40:02 | 1296ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 06:07:20 | 509ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-20 09:01:42 | 452ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 15:39:02 | 510ms | 2 NS 1 A 0 MX | 🔒 Secure | View |