| 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) | |||
| TXT Record |
|---|
| google-site-verification=Cyu2F4R0V5lEuKofKss6DWTPdj_nuIsX_f21UMVC5-Q |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090401 |
| 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 | |
|---|---|---|---|---|
| 2026-09-04 12:03:44 | 482ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-10 23:53:17 | 762ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-06 18:49:21 | 613ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-01 00:00:17 | 796ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 22:42:43 | 1682ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-18 03:50:45 | 751ms | 2 NS 1 A 4 MX | 🔒 Secure | View |