| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 3.255.155.106 | 3600s | ec2-3-255-155-106.eu-west-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 3.240.0.0/12 | 🇮🇪 Ireland | Dublin |
| 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 | 2026081501 |
| 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 06:22:49 | 698ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 23:09:29 | 524ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-15 23:59:53 | 628ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 00:49:34 | 1754ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-11 08:38:05 | 709ms | 2 NS 1 A 1 MX | 🔒 Secure | View |