infosystems.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.52.104.248 is hosted by TDC Holding A/S (AS3292) in Denmark. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.52.104.248 | 86400s | 0x573468f8.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Copenhagen |
| www CNAME | infosystems.dk.infosystems.dk (all on infosystems.dk) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.infosystems.dk |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026082402 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 11:14:56 | 2412ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-25 11:25:13 shown | 651ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-25 05:00:11 | 649ms | 3 NS 1 A 0 MX | ❓ Unknown |
| 2026-06-25 22:03:00 | 3382ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-25 07:12:48 | 764ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-22 02:44:51 | 510ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 14:47:00 | 2186ms | 3 NS 1 A 0 MX | 🔓 Insecure |