| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 176.20.234.74 | 14400s | 176-20-234-74-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 176.20.224.0/19 | 🇩🇰 Denmark | Kolding |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 11:10:56 | 833ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 07:21:14 | 1991ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-25 09:04:46 | 6419ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 15:53:04 | 8601ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 02:56:17 | 4620ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-11 15:19:47 | 5902ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 22:40:26 | 2273ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 12:24:55 | 982ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 15:02:22 | 512ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 18:20:33 | 492ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 15:09:06 | 2680ms | 2 NS 1 A 0 MX | ❓ Unknown | View |