| 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.71.251 |
| 🔶 Autoconfig | 104.21.71.251 |
| 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 | 2412551292 |
| Primary NS (MNAME) | crystal.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 21:05:54 | 703ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-19 07:04:11 | 3242ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-22 18:16:50 | 863ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-21 09:16:26 | 789ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-25 19:19:33 | 4680ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-22 02:33:23 | 1168ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 20:50:32 | 742ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-18 05:10:44 | 15728ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |