| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.72.21.228 | 600s | typo310.t3hot.dk | AS3342 | Cibicom A/S | 178.72.16.0/21 | 🇩🇰 Denmark | — |
| 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 | 2026082901 |
| 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 | |
|---|---|---|---|---|
| 2026-08-30 13:19:55 | 700ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 22:32:16 | 535ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 04:54:04 | 675ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-16 18:26:08 | 4536ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 11:25:26 | 2506ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 00:09:19 | 921ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-28 05:07:20 | 1162ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 03:58:01 | 2787ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 09:18:10 | 1157ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 19:31:02 | 711ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 14:28:47 | 671ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 09:13:03 | 1175ms | 2 NS 1 A 0 MX | 🔒 Secure | View |