| 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 | 2026082201 |
| 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 | |
|---|---|---|---|---|
| 2026-08-23 11:20:38 | 708ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-05 20:52:43 | 703ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-01 21:45:13 | 565ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 04:17:02 | 620ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 15:23:54 | 532ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:09:18 | 2501ms | 2 NS 1 A 0 MX | 🔒 Secure | View |