| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 20.123.204.16 | 3600s | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇳🇱 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 17:39:39 | 444ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 12:35:13 | 473ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 04:50:13 | 717ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-24 01:30:06 | 6439ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 04:26:48 | 4512ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 07:28:27 | 466ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 12:40:59 | 631ms | 2 NS 1 A 0 MX | 🔒 Secure | View |