| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.236.60.130 | 600s | — | AS8075 | Microsoft Corporation | 52.224.0.0/11 | 🇮🇪 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 | ncache nxdomain overridden by dig AD |
| Field | Value |
|---|---|
| Serial | 2026080901 |
| 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 | |
|---|---|---|---|---|
| 2026-08-11 17:44:11 | 2631ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 02:31:51 | 550ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 14:57:36 | 9495ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 02:35:44 | 449ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-17 21:33:47 | 447ms | 2 NS 1 A 0 MX | 🔒 Secure | View |