| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.210.57.189 | 43200s | mail.dusted.dk | AS215052 | Din Server Group ApS | 91.210.57.0/24 | 🇩🇰 Denmark | Albertslund |
| 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 | 2026080101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-25 20:13:32 | 457ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-19 08:16:33 | 4931ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 04:03:08 | 729ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 12:32:13 | 4199ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 18:43:33 | 561ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 02:31:39 | 1231ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 23:25:26 | 327ms | 2 NS 1 A 0 MX | 🔒 Secure | View |