| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.56.87.107 | 3600s | delivery.mailtools.emsnd.net | AS396982 | Google LLC | 185.56.84.0/22 | 🇳🇱 The Netherlands | — |
| 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 | 2026081201 |
| 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 | |
|---|---|---|---|---|
| 2026-08-12 10:09:14 | 670ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 12:49:14 | 2488ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 22:37:41 | 2557ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 13:34:04 | 991ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 04:50:54 | 727ms | 2 NS 1 A 0 MX | 🔒 Secure | View |