| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 18.194.220.209 | 43200s | ec2-18-194-220-209.eu-central-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 18.192.0.0/13 | 🇩🇪 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 | 2026080101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-05 19:16:39 | 1036ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-01 04:35:43 | 493ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 05:59:06 | 545ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 18:38:04 | 472ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 07:04:26 | 891ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:18:49 | 350ms | 2 NS 1 A 0 MX | 🔒 Secure | View |