| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.41.83 | 600s | linux33.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 | 2026082301 |
| 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 20:22:54 | 467ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 06:08:29 | 2295ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-23 20:45:04 | 698ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 21:46:03 | 1313ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 09:05:11 | 598ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 20:15:43 | 1117ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-23 03:40:49 | 703ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-22 01:03:05 | 466ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 09:25:27 | 1119ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 06:10:54 | 344ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-20 19:55:54 | 389ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-18 06:23:43 | 474ms | 2 NS 1 A 0 MX | 🔒 Secure | View |