| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.61.5.250 | 43200s | — | AS3292 | TDC Holding A/S | 87.61.0.0/17 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 12 | 43200s | mail.vildenfeldt.dk | 91.221.196.232 | — | AS51468 One.com A/S |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026041401 |
| 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 02:22:45 | 570ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 13:49:45 | 8483ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 23:57:17 | 610ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 03:52:01 | 1744ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 01:01:54 | 639ms | 2 NS 1 A 1 MX | 🔒 Secure | View |