| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 37.27.20.23 | 3600s | static.23.20.27.37.clients.your-server.de | AS24940 | Hetzner Online GmbH | 37.27.0.0/16 | 🇫🇮 Finland | Helsinki |
| 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 | 2026081501 |
| 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 | |
|---|---|---|---|---|
| 2026-09-02 02:49:27 | 610ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 12:11:33 | 527ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-17 04:27:22 | 1540ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 10:31:33 | 720ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 17:04:27 | 1408ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 09:32:45 | 618ms | 2 NS 1 A 0 MX | 🔒 Secure | View |