| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 144.76.20.91 | 3600s | static.91.20.76.144.clients.your-server.de | AS24940 | Hetzner Online GmbH | 144.76.0.0/16 | 🇩🇪 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 | ncache nxdomain overridden by dig AD |
| Field | Value |
|---|---|
| Serial | 2026082101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-22 07:57:37 | 1328ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-22 05:29:45 | 673ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-30 19:09:44 | 512ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 22:09:53 | 529ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 19:28:50 | 495ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 12:09:08 | 968ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 04:59:59 | 621ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 03:55:13 | 387ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-17 13:18:59 | 1500ms | 2 NS 1 A 0 MX | 🔒 Secure | View |