| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.221.252.76 | 600s | — | AS42876 | Unit IT Services ApS | 77.221.224.0/19 | 🇩🇰 Denmark | Beder |
| 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 | 2026081101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-21 05:32:36 | 5130ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 03:36:59 | 3446ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 05:13:59 | 611ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 18:59:32 | 572ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 00:51:18 | 519ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 00:52:20 | 1284ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-17 00:30:14 | 525ms | 2 NS 1 A 0 MX | 🔒 Secure | View |