| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 31.7.187.159 | 43200s | — | AS201011 | Core-Backbone GmbH | 31.7.176.0/20 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 31.7.187.159 |
| 🔶 Autoconfig | 31.7.187.159 |
| 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 | |
|---|---|---|---|---|
| 2026-08-12 10:10:04 | 2251ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-08 08:00:38 | 4694ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 22:41:15 | 587ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 01:01:13 | 9750ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-10 00:55:28 | 5098ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 16:52:02 | 1219ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 21:45:28 | 455ms | 2 NS 1 A 0 MX | 🔒 Secure | View |