| 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 | |
|---|---|---|---|---|
| 2026-09-02 03:01:04 | 643ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-28 01:39:25 | 607ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 19:34:50 | 2565ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 17:42:36 | 857ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-23 06:04:52 | 4535ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-25 22:18:56 | 519ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 01:12:42 | 962ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 15:00:01 | 452ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:13:35 | 1908ms | 2 NS 1 A 0 MX | 🔒 Secure | View |