| 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 | Taastrup |
| 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 | 2026082501 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 10:56:51 | 2581ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 14:53:46 | 692ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 11:33:32 | 1994ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 20:55:27 | 621ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 10:06:46 | 437ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 01:51:36 | 268ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-17 01:40:44 | 350ms | 2 NS 1 A 0 MX | 🔒 Secure | View |