| 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 10:31:38 | 640ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 07:41:25 | 475ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 16:02:57 | 1698ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-07 17:28:27 | 4734ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-04 04:28:48 | 691ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-25 23:28:09 | 603ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 17:36:18 | 4686ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-01 08:39:38 | 777ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 01:29:13 | 589ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 21:40:13 | 1093ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 21:23:43 | 499ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 06:22:47 | 913ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 10:05:00 | 727ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 01:07:58 | 2821ms | 2 NS 1 A 4 MX | 🔒 Secure | View |