| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.55.150.4 | 43200s | 87-55-150-4-dynamic.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Aabenraa |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 10:51:57 | 726ms | 2 NS 1 A 5 MX | 🔒 Secure | View |
| 2026-08-05 18:34:05 | 1277ms | 2 NS 1 A 5 MX | 🔒 Secure | View |
| 2026-07-01 19:04:42 | 2656ms | 2 NS 1 A 5 MX | 🔒 Secure | View |
| 2026-06-26 08:39:46 | 773ms | 2 NS 1 A 5 MX | 🔒 Secure | View |
| 2026-06-23 09:24:46 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 01:17:41 | 707ms | 2 NS 1 A 5 MX | 🔒 Secure | View |
| 2026-06-16 14:18:31 | 576ms | 2 NS 1 A 5 MX | 🔒 Secure | View |