| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2.109.50.18 | 3600s | mail1.sensus.dk | AS3292 | TDC Holding A/S | 2.108.0.0/15 | 🇩🇰 Denmark | Slangerup |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 2.109.50.18 |
| 🔶 Autoconfig | 2.109.50.18 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081301 |
| 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 18:37:31 | 4485ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 02:12:32 | 579ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-14 17:11:49 | 1180ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 20:19:23 | 4619ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 15:18:16 | 723ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 00:44:46 | 1253ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 09:30:37 | 561ms | 2 NS 1 A 0 MX | 🔒 Secure | View |