| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 76.76.21.21 | 300s | — | 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 | 2413500598 |
| Primary NS (MNAME) | craig.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-30 09:33:28 | 912ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-29 04:15:19 | 882ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-20 03:57:33 | 7911ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-29 20:53:52 | 1134ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-20 05:49:34 | 386ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-16 14:17:05 | 425ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |