| 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 |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| 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 | |
|---|---|---|---|---|
| 2026-09-03 10:32:54 | 4798ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 22:44:16 | 9788ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 10:53:26 | 2209ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 14:00:49 | 4660ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 09:38:37 | 528ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 01:33:04 | 514ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 09:20:47 | 702ms | 2 NS 1 A 0 MX | 🔒 Secure | View |