| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.232 | 600s | linux29.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 | 2026082601 |
| 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 20:29:31 | 416ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 00:25:11 | 370ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-22 03:47:19 | 2782ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 22:08:54 | 612ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 10:54:39 | 1630ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 14:25:00 | 2353ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 23:17:07 | 936ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 23:30:41 | 637ms | 2 NS 1 A 0 MX | 🔒 Secure | View |