| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 76.76.21.21 | 3600s | — | AS16509 | Amazon.com, Inc. | 76.76.21.0/24 | 🇺🇸 United States | Walnut |
| 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) | ns1-36.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 | |
|---|---|---|---|---|
| 2026-09-04 06:02:01 | 9377ms | 4 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-25 06:16:57 | 522ms | 4 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-22 02:50:11 | 503ms | 4 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-21 19:41:52 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 03:48:29 | 516ms | 4 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-18 01:39:01 | 645ms | 4 NS 1 A 0 MX | 🔓 Insecure | View |