| 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 | 2026070800 |
| 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 | |
|---|---|---|---|---|
| 2026-09-04 08:13:32 | 457ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-08 19:39:48 | 892ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-02 11:30:01 | 531ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-26 07:06:53 | 506ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-24 04:04:50 | 671ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-23 10:42:30 | 1121ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 06:48:34 | 344ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-22 00:24:29 | 340ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-20 08:34:21 | 1587ms | 3 NS 1 A 0 MX | ⚠️ Bogus | View |