| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.193.137.150 | 3600s | websmtp.brugerdata.dk | AS47292 | Sentia Denmark A/S | 91.193.136.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.193.137.150 |
| 🔶 Autoconfig | 91.193.137.150 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082801 |
| 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 | |
|---|---|---|---|---|
| 2026-09-01 21:34:45 | 715ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-29 02:31:39 | 998ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-02 23:57:22 | 2589ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 18:05:51 | 1660ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 20:17:47 | 556ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-22 01:36:28 | 1121ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 23:46:54 | 663ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 15:07:24 | 923ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:12:07 | 371ms | 2 NS 1 A 0 MX | 🔒 Secure | View |