| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.90.137.184 | 43200s | ec2-52-90-137-184.compute-1.amazonaws.com | AS14618 | Amazon.com, Inc. | 52.90.0.0/15 | 🇺🇸 United States | Ashburn |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 00:26:32 | 550ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 06:17:07 | 1102ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 12:33:05 | 2478ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 08:00:41 | 533ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 14:19:43 | 1230ms | 2 NS 1 A 0 MX | 🔒 Secure | View |