| 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025070503 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-03 06:33:04 | 796ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-02 13:15:59 | 746ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-23 09:08:27 | 546ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-22 23:52:41 | 1164ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 05:52:32 | 357ms | 3 NS 1 A 0 MX | ⚠️ Bogus | View |
| 2026-06-16 12:45:23 | 527ms | 3 NS 1 A 0 MX | 🔒 Secure | View |