| 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 01:14:27 | 385ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-21 19:36:08 | 1029ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 06:08:50 | 698ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 23:42:47 | 2615ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 02:47:27 | 421ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 08:09:46 | 2463ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 07:44:45 | 1020ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 13:41:14 | 1682ms | 2 NS 1 A 0 MX | 🔒 Secure | View |