| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 4.235.120.46 | 3600s | — | AS8075 | Microsoft Corporation | 4.224.0.0/11 | 🇳🇴 Norway | Oslo |
| 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 | 2026081401 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 08:17:31 | 1077ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-15 01:47:36 | 578ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 13:28:25 | 8432ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-30 09:35:51 | 565ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 11:20:00 | 514ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 03:08:21 | 1680ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 11:02:34 | 353ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 23:29:12 | 763ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 15:55:23 | 1436ms | 2 NS 1 A 0 MX | 🔒 Secure | View |