| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.169.255.18 | 600s | — | AS8075 | Microsoft Corporation | 52.160.0.0/11 | 🇮🇪 Ireland | Dublin |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 52.169.255.18 |
| 🔶 Autoconfig | 52.169.255.18 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090201 |
| 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 | |
|---|---|---|---|---|
| 2026-09-06 06:36:40 | 556ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-31 04:44:35 | 1128ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-28 16:30:43 | 482ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-17 07:57:21 | 6773ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-07-03 05:47:31 | 1038ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-17 23:48:24 | 771ms | 2 NS 1 A 4 MX | 🔒 Secure | View |