| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 137.135.129.175 | 3600s | — | 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 | 2026090101 |
| 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 | |
|---|---|---|---|---|
| 2026-09-01 21:08:47 | 516ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-07 12:30:46 | 726ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 22:08:46 | 618ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 11:40:00 | 467ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 09:47:30 | 495ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 12:04:05 | 880ms | 2 NS 1 A 0 MX | 🔒 Secure | View |