| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 49.13.60.181 | 600s | srvlinuxdev01.linuxdev.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 | 2026082501 |
| 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 01:09:01 | 1010ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 05:27:16 | 1947ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 12:48:14 | 896ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 16:07:23 | 924ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 17:08:34 | 527ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 17:15:33 | 463ms | 2 NS 1 A 0 MX | 🔒 Secure | View |