| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 194.192.21.159 | 43200s | — | AS3292 | TDC Holding A/S | 194.192.0.0/16 | 🇩🇰 Denmark | Brabrand |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 194.192.21.159 |
| 🔶 Autoconfig | 194.192.21.159 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080801 |
| 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 | |
|---|---|---|---|---|
| 2026-08-09 20:25:26 | 4563ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-11 10:35:10 | 624ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 01:58:46 | 550ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 18:03:32 | 509ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 10:03:40 | 1163ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 14:25:30 | 3544ms | 2 NS 1 A 0 MX | 🔒 Secure | View |