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 of unknown DNSSEC status, 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 | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: failure |
| Field | Value |
|---|---|
| Serial | 2026061200 |
| 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 | 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 shown | 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 |