| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 45.58.39.43 | 3600s | — | AS6364 | Atlantic.net, Inc. | 45.58.32.0/20 | 🇺🇸 United States | Sacramento |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 3600s | mx1.guitarkassen.dk | 45.58.39.43 | — | AS6364 Atlantic.net, Inc. |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1-32.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-06-25 17:46:40 | 1079ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 06:00:50 | 934ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 21:54:27 | 1191ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 10:43:52 | 962ms | 4 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-17 10:42:19 | 2610ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |