| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 78.159.101.157 | 43200s | opal9.opalstack.com | AS28753 | Leaseweb Deutschland GmbH | 78.159.96.0/19 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mx1.us.opalstack.com | 108.62.123.121 | mx1.us.opalstack.com | AS30633 Leaseweb USA, Inc. |
| 10 | 43200s | mx2.us.opalstack.com | 23.82.16.244 2605:fe80:2100:bf03:7::2 |
mx2.us.opalstack.com mx2.us.opalstack.com |
AS7203 Leaseweb USA, Inc. AS7203 Leaseweb USA, Inc. |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081101 |
| 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 03:02:46 | 944ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-12 11:43:48 | 1246ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-18 17:50:32 | 1176ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-13 16:44:59 | 1579ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-26 23:26:12 | 1064ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-25 10:34:49 | 988ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-24 13:42:17 | 1011ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 19:17:24 | 5060ms | 2 NS 1 A 2 MX | 🔒 Secure | View |