| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 216.137.180.138 | 7200s | 216.137.180.138.static.a2webhosting.com | AS209341 | WHG Hosting Services Ltd | 216.137.180.0/22 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 216.137.180.138 |
| 🔶 Autoconfig | 216.137.180.138 |
| 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 | |
|---|---|---|---|---|
| 2026-09-04 23:30:23 | 674ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-13 05:33:39 | 1603ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 03:21:56 | 481ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 03:54:03 | 680ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 23:03:33 | 516ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:20:32 | 2049ms | 2 NS 1 A 0 MX | 🔒 Secure | View |