sysview.dk is a .dk domain served by 2 nameservers (ns1.tdh-net.dk, ns2.tdh-net.dk). It was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.tdh-net.dk | 185.229.151.68 | ns1.tdh-net.dk | AS204988 TDH-Net ApS |
| ns2.tdh-net.dk | 185.229.151.76 | ns2.tdh-net.dk | AS204988 TDH-Net ApS |
| TXT Record |
|---|
| v=spf1 include:relay.tdh-net.dk include:relay2.tdh-net.dk -all |
| Policy | Record (sysview.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:relay.tdh-net.dk include:relay2.tdh-net.dk -all |
| www CNAME | www.tdh-net.dk (all on tdh-net.dk) → 185.21.41.28 (AS48854) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026072202 |
| Primary NS (MNAME) | ns1.tdh-net.dk |
| Responsible (RNAME) | info@tdh-net.dk |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 13:57:10 | 804ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-27 23:26:21 | 9991ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-22 19:30:10 shown | 8884ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-01 20:18:00 | 857ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-25 13:14:28 | 821ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 18:31:46 | 476ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-18 06:34:12 | 570ms | 2 NS 0 A 0 MX | 🔓 Insecure |