| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.104.152.181 | 3600s | li1668-181.members.linode.com | AS63949 | Akamai Connected Cloud | 172.104.128.0/18 | 🇩🇪 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 | ncache nxdomain overridden by dig AD |
| 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 | |
|---|---|---|---|---|
| 2026-08-13 02:28:23 | 2369ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 01:20:33 | 2491ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 21:17:58 | 2716ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-24 01:12:41 | 509ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 20:54:48 | 644ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 04:49:46 | 2383ms | 2 NS 1 A 0 MX | 🔒 Secure | View |