| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 49.12.124.167 | 43200s | server3.designrus.dk | AS24940 | Hetzner Online GmbH | 49.12.0.0/15 | 🇩🇪 Germany | Falkenstein |
| 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 | 2026081101 |
| 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 22:15:36 | 3488ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 04:45:58 | 2110ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 07:35:03 | 2727ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 21:58:56 | 568ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 19:51:09 | 698ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 07:02:18 | 958ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 01:57:34 | 484ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 09:31:39 | 2338ms | 2 NS 1 A 0 MX | 🔒 Secure | View |