| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.232 | 3600s | 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 | 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 | |
|---|---|---|---|---|
| 2026-08-26 21:57:28 | 560ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 17:38:15 | 532ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-04 08:42:04 | 942ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 15:20:09 | 2092ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-07-15 08:22:45 | 855ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-22 10:45:13 | 3024ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-21 04:39:47 | 1012ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 05:33:41 | 663ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-19 12:58:49 | 700ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-18 06:47:35 | 706ms | 2 NS 1 A 4 MX | 🔒 Secure | View |