| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 131.164.146.226 | 43200s | 131-164-146-226-dynamic.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 131.164.0.0/16 | 🇩🇰 Denmark | Tilst |
| 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 | 2026090301 |
| 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 | |
|---|---|---|---|---|
| 2026-09-05 02:30:07 | 392ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 00:52:54 | 472ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-13 13:06:08 | 2817ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 13:31:41 | 667ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 17:13:59 | 6746ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-30 10:51:48 | 718ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-27 18:39:28 | 1449ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-27 15:14:53 | 621ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-19 11:12:06 | 669ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-17 20:24:26 | 662ms | 2 NS 1 A 4 MX | 🔒 Secure | View |