| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 21600s | mail1.c3.sdc-hosting.com | 38.77.132.4 | mail1.c3.sdc-hosting.com | AS174 Cogent Communications, LLC |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 9 |
| Primary NS (MNAME) | ns1.c1.sdc-hosting.com |
| Responsible (RNAME) | support@sdc-hosting.com |
| Refresh | 900s |
| Retry | 300s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-19 13:15:55 | 4728ms | 4 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-07-18 12:16:53 | 19853ms | 4 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 05:51:56 | 2004ms | 4 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 16:02:42 | 1182ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 03:40:52 | 1117ms | 4 NS 0 A 1 MX | 🔓 Insecure | View |