| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 40.68.197.188 | 3600s | — | AS8075 | Microsoft Corporation | 40.68.0.0/14 | 🇳🇱 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 | 2026082501 |
| 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 23:18:51 | 374ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 21:05:56 | 748ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 06:56:05 | 429ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 10:45:48 | 914ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-23 01:01:13 | 533ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 03:45:22 | 1162ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 04:23:32 | 8389ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 15:33:51 | 786ms | 2 NS 1 A 0 MX | 🔒 Secure | View |