| 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 | 2023053101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-25 07:39:55 | 489ms | 4 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-01 18:56:04 | 698ms | 4 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-30 21:43:14 | 653ms | 4 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-26 22:37:14 | 1481ms | 4 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-23 20:44:09 | 522ms | 4 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-17 13:14:52 | 475ms | 4 NS 1 A 0 MX | 🔒 Secure | View |