| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 165.160.13.20 | 43200s | — | AS19574 | Corporation Service Company | 165.160.12.0/22 | 🇺🇸 United States | — |
| 165.160.15.20 | 43200s | — | AS19574 | Corporation Service Company | 165.160.12.0/22 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | custmx.cscdns.net | 198.58.121.58 | 198-58-121-58.ip.linodeusercontent.com | AS63949 Akamai Connected Cloud |
| 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 | 2025102703 |
| Primary NS (MNAME) | dns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-08 22:20:19 | 992ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-07-05 21:23:47 | 807ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-04 12:51:41 | 1812ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-03 12:25:57 | 381ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-01 04:56:51 | 691ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 14:09:02 | 494ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |