| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 31.220.92.139 | 43200s | vmi1501706.contaboserver.net | AS51167 | Contabo GmbH | 31.220.80.0/20 | 🇫🇷 France | Lauterbourg |
| 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 | 2026082801 |
| 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 | |
|---|---|---|---|---|
| 2026-08-29 05:11:28 | 366ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-23 00:04:18 | 4707ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-13 11:26:47 | 4827ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-04 21:12:39 | 2599ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 17:36:23 | 710ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 04:22:22 | 2490ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-22 01:23:47 | 668ms | 2 NS 1 A 4 MX | ⚠️ Bogus | View |
| 2026-06-20 06:58:27 | 725ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-17 17:11:22 | 839ms | 2 NS 1 A 4 MX | 🔒 Secure | View |