| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.217.20.163 | 43200s | lcarnb-ag-in-f3.1e100.net par10s49-in-f3.1e100.net waw02s07-in-f163.1e100.net waw02s07-in-f3.1e100.net |
AS15169 | Google LLC | 172.217.0.0/19 | 🇺🇸 United States | — |
| 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 | 2026080801 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 11:29:28 | 537ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 06:30:12 | 685ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 15:38:10 | 592ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-11 02:15:51 | 662ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 23:20:09 | 565ms | 2 NS 1 A 0 MX | 🔒 Secure | View |