| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.234.107.42 | 3600s | 172-234-107-42.ip.linodeusercontent.com | AS63949 | Akamai Connected Cloud | 172.234.0.0/16 | 🇸🇪 Sweden | Stockholm |
| 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 | 2026081401 |
| 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 | |
|---|---|---|---|---|
| 2026-08-15 16:35:42 | 1892ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 16:18:27 | 678ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-29 07:54:30 | 563ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 11:26:47 | 1022ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 12:19:38 | 754ms | 2 NS 1 A 0 MX | 🔒 Secure | View |