| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 176.22.215.155 | 43200s | — | AS3292 | TDC Holding A/S | 176.22.192.0/18 | 🇩🇰 Denmark | Allerød Municipality |
| 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 08:03:38 | 4515ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-19 19:41:09 | 4631ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 07:19:41 | 2104ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 00:10:41 | 1455ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 05:07:30 | 534ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 14:45:14 | 1411ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 06:01:57 | 541ms | 2 NS 1 A 0 MX | 🔒 Secure | View |