| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 20.79.106.2 | 3600s | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇩🇪 Germany | Frankfurt am Main |
| 51.116.145.32 | 3600s | — | AS8075 | Microsoft Corporation | 51.116.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| 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 | 2026082001 |
| 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 19:22:58 | 525ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-20 16:18:15 | 1138ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-09 08:12:35 | 4953ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-21 01:36:39 | 4464ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-21 06:15:24 | 1004ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-18 04:02:15 | 729ms | 2 NS 2 A 0 MX | 🔒 Secure | View |