| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 142.132.172.77 | 3600s | linux2.itfirmaet.dk | AS24940 | Hetzner Online GmbH | 142.132.128.0/17 | 🇩🇪 Germany | Nuremberg |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 11:18:08 | 776ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 11:46:49 | 580ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-14 12:56:39 | 643ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-10 09:34:29 | 4666ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 14:07:23 | 658ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-29 08:03:43 | 520ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 17:28:30 | 1204ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 11:24:40 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 18:33:05 | 538ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 10:59:38 | 496ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-17 10:53:09 | 956ms | 2 NS 1 A 0 MX | 🔒 Secure | View |