| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.221.196.202 | 600s | — | AS51468 | One.com A/S | 91.221.196.0/23 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.221.196.202 |
| 🔶 Autoconfig | 91.221.196.202 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 00:47:58 | 480ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-21 19:44:06 | 8648ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-13 05:58:42 | 2733ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 15:13:32 | 608ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 15:01:16 | 596ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 17:57:37 | 1005ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 09:19:35 | 1361ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 01:52:06 | 474ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 01:05:03 | 1180ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 00:39:01 | 519ms | 2 NS 1 A 0 MX | 🔒 Secure | View |