| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 155.138.164.33 | 3598s | 155.138.164.33.vultrusercontent.com | AS20473 | The Constant Company, LLC | 155.138.128.0/17 | 🇺🇸 United States | Atlanta |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 3600s | mx1.center-oasen.dk | 155.138.164.33 | 155.138.164.33.vultrusercontent.com | AS20473 The Constant Company, LLC |
| 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) | ns1-38.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 | |
|---|---|---|---|---|
| 2026-08-26 19:38:50 | 2724ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 23:04:11 | 1102ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 12:00:07 | 1028ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 18:58:25 | 910ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 20:06:15 | 2567ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |