| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 188.177.163.28 | 600s | 188-177-163-28-dynamic.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 188.176.0.0/13 | 🇩🇰 Denmark | Risskov |
| 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 | 2026081001 |
| 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 | |
|---|---|---|---|---|
| 2026-08-13 11:40:07 | 4656ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-10 09:54:16 | 3076ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 16:37:25 | 4764ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 05:17:50 | 1513ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-11 13:14:17 | 4609ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 16:37:20 | 536ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:44:04 | 1393ms | 2 NS 1 A 0 MX | 🔒 Secure | View |