| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 23.21.157.88 | 3600s | ec2-23-21-157-88.compute-1.amazonaws.com | AS14618 | Amazon.com, Inc. | 23.20.0.0/14 | 🇺🇸 United States | Ashburn |
| 23.21.234.173 | 3600s | ec2-23-21-234-173.compute-1.amazonaws.com | AS14618 | Amazon.com, Inc. | 23.20.0.0/14 | 🇺🇸 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 | 2026080901 |
| 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 19:05:10 | 643ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-10 16:27:53 | 2242ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-12 12:22:19 | 8520ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-10 16:20:32 | 2414ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-01 23:36:16 | 482ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-16 19:50:03 | 601ms | 2 NS 2 A 0 MX | 🔒 Secure | View |