| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 188.228.90.238 | 43200s | 188.228.90.238.dynamic.altibox.net | AS214875 | Altibox Danmark AS | 188.228.88.0/22 | 🇩🇰 Denmark | Holstebro |
| 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 12:49:22 | 578ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 18:48:53 | 2544ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 20:16:22 | 8405ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 02:11:39 | 524ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 10:27:42 | 525ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 22:02:02 | 1341ms | 2 NS 1 A 0 MX | 🔒 Secure | View |