| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 50.31.144.70 | 43200s | metro712.hostmetro.com | AS23352 | DEFT.COM | 50.31.144.0/20 | 🇺🇸 United States | Chicago |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 50.31.144.70 |
| 🔶 Autoconfig | 50.31.144.70 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081801 |
| 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 12:35:56 | 1168ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-19 04:43:22 | 2933ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 21:57:40 | 1234ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 15:48:24 | 1361ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 04:50:56 | 950ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 04:28:06 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 04:17:22 | 1436ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 14:10:50 | 1149ms | 2 NS 1 A 0 MX | 🔒 Secure | View |