| 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 | 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 | |
|---|---|---|---|---|
| 2026-08-28 07:43:03 | 591ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 18:30:33 | 822ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 10:42:58 | 565ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 10:34:42 | 2518ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 02:07:12 | 777ms | 2 NS 1 A 0 MX | 🔒 Secure | View |