| 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 | 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 08:38:56 | 484ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 08:35:09 | 2554ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-21 23:17:11 | 741ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 11:09:59 | 515ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-25 10:33:43 | 4483ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 17:05:44 | 1123ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 00:08:10 | 1002ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:31:41 | 433ms | 2 NS 1 A 0 MX | 🔒 Secure | View |