| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.41.148 | 3200s | linux101.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 | 2026080701 |
| 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 20:25:08 | 450ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 10:04:26 | 627ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 13:30:14 | 733ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-09 05:50:21 | 1271ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 21:49:06 | 718ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 07:13:40 | 497ms | 2 NS 1 A 0 MX | 🔒 Secure | View |