| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.55.220.158 | 21600s | 87-55-220-158-dynamic.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Fredericia |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 21600s | mail.bennesen.dk | 87.55.220.158 | 87-55-220-158-dynamic.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.55.220.158 |
| 🔶 Autoconfig | 87.55.220.158 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-12 02:18:31 | 846ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 19:02:27 | 876ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 14:31:44 | 660ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-29 11:50:45 | 566ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 13:43:02 | 1044ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 21:25:14 | 475ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:40:12 | 3181ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:22:39 | 408ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:20:44 | 463ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:20:35 | 1661ms | 2 NS 1 A 1 MX | 🔒 Secure | View |