| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.66.39.75 | 43200s | — | AS47292 | Sentia Denmark A/S | 77.66.32.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 100 | 43200s | mailgate.cybercity.dk | 212.88.64.50 | relay.telenor.dk | AS9158 Telenor A/S |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026041201 |
| 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 15:30:27 | 648ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 06:20:45 | 768ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-29 13:41:54 | 620ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 14:05:25 | 764ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 22:50:03 | 2678ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 18:53:15 | 959ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 17:01:30 | 890ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 15:32:48 | 960ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 22:44:29 | 52194ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 22:09:23 | 1331ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 22:07:39 | 543ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 22:00:34 | 704ms | 2 NS 1 A 1 MX | 🔒 Secure | View |