| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 139.162.187.60 | 3600s | 139-162-187-60.ip.linodeusercontent.com | AS63949 | Akamai Connected Cloud | 139.162.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| 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 17:16:28 | 704ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 15:53:48 | 558ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 18:14:22 | 16501ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 00:16:59 | 595ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 06:36:28 | 1330ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 01:27:14 | 454ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 19:06:08 | 712ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 23:53:11 | 531ms | 2 NS 1 A 0 MX | 🔒 Secure | View |