| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.41.130 | 43200s | linux102.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| 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 | 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 | |
|---|---|---|---|---|
| 2026-08-27 03:53:25 | 489ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 14:17:16 | 8656ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 05:55:53 | 4560ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 04:24:48 | 24448ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 18:49:52 | 662ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-30 05:29:10 | 514ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 23:25:52 | 465ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 08:56:32 | 888ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 04:30:21 | 709ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 14:11:10 | 516ms | 2 NS 1 A 0 MX | 🔒 Secure | View |