| 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 |
| TXT Record |
|---|
| v=spf1 include:spf.improvmx.com ~all |
| Policy | Record (artsrig.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.improvmx.com ~all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-11 07:08:25 | 2850ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-11 05:25:50 | 1322ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-08 15:03:58 | 1352ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-06 15:47:07 | 833ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-05 08:36:43 | 647ms | 1 NS 0 A 0 MX | ❓ Unknown | View |