| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 51.138.81.203 | 43200s | — | AS8075 | Microsoft Corporation | 51.138.0.0/16 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| _k8jb9jm9fbvx3f3hc6ll06q40l1bogt |
| _ri079txcoi9zpclq1yrv5bypie2zn2v |
| 7SOO1RANN50HN0GA47JNDUDOEB |
| vs0d9ld5629yk453d76cqvd51748rjb8 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081201 |
| 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 10:20:29 | 517ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 12:46:34 | 3193ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 17:23:45 | 556ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 15:23:05 | 8425ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 10:09:58 | 724ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 10:03:28 | 904ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 03:01:06 | 420ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-17 11:41:51 | 699ms | 2 NS 1 A 0 MX | 🔒 Secure | View |