| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 54.247.182.21 | 43200s | ec2-54-247-182-21.eu-west-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 54.244.0.0/14 | 🇮🇪 Ireland | Dublin |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 54.247.182.21 |
| 🔶 Autoconfig | 54.247.182.21 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081001 |
| 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 01:55:23 | 661ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 07:12:39 | 637ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 03:19:18 | 858ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 15:03:29 | 668ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 03:03:31 | 2499ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:14:33 | 4351ms | 2 NS 1 A 0 MX | 🔒 Secure | View |