| 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 | 2026082701 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 02:32:11 | 453ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-29 11:11:03 | 1549ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 18:03:42 | 919ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 07:23:04 | 697ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 21:35:32 | 1735ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 00:49:56 | 498ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-20 06:48:46 | 814ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 00:14:31 | 708ms | 2 NS 1 A 0 MX | 🔒 Secure | View |