| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.75.167.66 | 43200s | 77.75.167.66.customers.telelet.dk | AS15516 | DKTV A/S | 77.75.160.0/21 | 🇩🇰 Denmark | Frederiksberg |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 18:58:01 | 2668ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 05:48:36 | 937ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 06:39:46 | 848ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 19:13:15 | 8504ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 13:34:39 | 763ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 01:13:44 | 2437ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 13:33:16 | 539ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 07:40:47 | 552ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 15:29:00 | 398ms | 2 NS 1 A 0 MX | 🔒 Secure | View |