| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| frexi901.essilor.com | 193.242.5.220 | — | AS21033 ESSILOR International SAS |
| frexi902.essilor.com | 20.85.152.28 | — | AS8075 Microsoft Corporation |
| 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 | 22 |
| Primary NS (MNAME) | frexi901.essilor.com |
| Responsible (RNAME) | misnetsupport@essilor.fr |
| Refresh | 10800s |
| Retry | 900s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-06-26 12:07:38 | 5475ms | 2 NS 0 A 0 MX | 🔓 Insecure | View |
| 2026-06-25 06:54:01 | 2037ms | 2 NS 0 A 0 MX | 🔓 Insecure | View |
| 2026-06-25 01:50:34 | 5080ms | 2 NS 0 A 0 MX | 🔓 Insecure | View |
| 2026-06-17 08:24:56 | 256ms | 2 NS 0 A 0 MX | 🔓 Insecure | View |
| 2026-06-17 08:24:18 | 971ms | 2 NS 0 A 0 MX | 🔓 Insecure | View |