| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 4.210.248.199 | 3600s | — | AS8075 | Microsoft Corporation | 4.208.0.0/14 | 🇳🇱 The Netherlands | Amsterdam |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081001 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 18:22:31 | 596ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-08-13 02:04:26 | 699ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-13 04:11:37 | 528ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-24 13:30:40 | 736ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-24 09:57:08 | 990ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 11:23:03 | 600ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-17 12:14:56 | 687ms | 2 NS 1 A 0 MX | 🔒 Secure | View |