| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 137.135.226.165 | 600s | — | AS8075 | Microsoft Corporation | 137.135.0.0/16 | 🇮🇪 Ireland | Dublin |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 02:23:11 | 481ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 19:50:01 | 396ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 17:53:28 | 541ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 00:01:11 | 481ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 22:18:40 | 1642ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 14:36:56 | 1026ms | 2 NS 1 A 0 MX | 🔒 Secure | View |