| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.59.50.108 | 43200s | ec2-52-59-50-108.eu-central-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 52.56.0.0/14 | 🇩🇪 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 | 2026090201 |
| 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 21:39:11 | 404ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-28 03:35:47 | 561ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 18:14:40 | 613ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-22 13:35:48 | 4710ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 05:45:21 | 2753ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 23:38:19 | 14947ms | 2 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 01:28:35 | 2372ms | 2 NS 1 A 0 MX | 🔒 Secure | View |