| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.29.2.4 | 600s | ec2-52-29-2-4.eu-central-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 52.24.0.0/13 | 🇩🇪 Germany | Frankfurt am Main |
| 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 | 2026081302 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 02:24:12 | 478ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-15 12:26:47 | 1881ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 14:50:40 | 664ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 01:06:09 | 8593ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 16:08:53 | 3922ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 06:06:49 | 1189ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 06:18:09 | 629ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 20:12:26 | 483ms | 2 NS 1 A 0 MX | 🔒 Secure | View |