| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 137.135.128.202 | 900s | — | 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 | 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 | |
|---|---|---|---|---|
| 2026-08-12 10:24:07 | 2426ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 03:36:48 | 710ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 19:58:55 | 1044ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 23:08:10 | 1331ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 14:21:21 | 951ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:32:23 | 276ms | 0 NS 0 A 0 MX | ❓ Unknown | View |