| 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 | 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 | |
|---|---|---|---|---|
| 2026-08-27 23:07:52 | 788ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-14 17:08:11 | 736ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-06 14:04:30 | 627ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-01 04:19:51 | 741ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 21:14:01 | 501ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 09:52:59 | 465ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-17 19:34:43 | 656ms | 2 NS 1 A 0 MX | 🔒 Secure | View |