| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.174.234.2 | 3600s | — | AS8075 | Microsoft Corporation | 52.160.0.0/11 | 🇳🇱 The Netherlands | Amsterdam |
| 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 | 2026082901 |
| 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 | |
|---|---|---|---|---|
| 2026-08-30 15:28:28 | 1424ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 05:42:44 | 480ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-13 02:03:55 | 1069ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 18:15:44 | 6513ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 16:58:15 | 531ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 08:19:27 | 532ms | 2 NS 1 A 0 MX | 🔒 Secure | View |