| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 4.180.111.34 | 898s | — | AS8075 | Microsoft Corporation | 4.160.0.0/11 | 🇳🇱 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 | 2026080901 |
| 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 16:30:19 | 2625ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 13:27:59 | 1274ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-11 04:41:25 | 584ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 12:42:48 | 1088ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 09:56:44 | 1319ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 12:59:24 | 1183ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 03:25:10 | 1033ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 18:38:08 | 1155ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 13:10:52 | 6152ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 09:17:40 | 491ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 08:26:22 | 527ms | 2 NS 1 A 0 MX | 🔒 Secure | View |