| 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 |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 82.223.69.30 | 600s | — | AS8560 | IONOS SE | 82.223.0.0/16 | 🇪🇸 Spain | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx.dnsassurance.com | 203.27.226.174 | — | AS16509 Amazon.com, 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 | 36 |
| 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 | |
|---|---|---|---|---|
| 2026-06-27 01:44:49 | 7086ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 07:59:56 | 5965ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 13:32:11 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 22:34:34 | 1099ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 10:10:34 | 3364ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |