| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 37.97.48.228 | 3600s | 37.97.48.228.dynamic.altibox.net | AS214875 | Altibox Danmark AS | 37.97.48.0/21 | 🇩🇰 Denmark | Holstebro |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 37.97.48.228 |
| 🔶 Autoconfig | 37.97.48.228 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082501 |
| 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 07:21:29 | 627ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 18:36:02 | 793ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-31 23:44:56 | 945ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-25 17:22:22 | 594ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 00:01:26 | 18830ms | 2 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-02 23:21:27 | 612ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 06:48:05 | 895ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 11:42:04 | 624ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-19 08:32:56 | 693ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:29:19 | 2712ms | 2 NS 1 A 4 MX | 🔒 Secure | View |