tdhnet.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. Mail is handled by mail.tdh-net.dk. 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 |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | — | mail.tdh-net.dk | 185.229.151.117 | mail.tdh-net.dk | AS204988 TDH-Net ApS |
| 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 |
| 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 | 2019112600 |
| 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 |
|---|---|---|---|
| 2026-09-26 03:31:37 | 538ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-04 18:36:17 | 9758ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-21 14:24:53 | 588ms | 2 NS 0 A 1 MX | ⚠️ Bogus |
| 2026-06-17 22:31:33 shown | 3491ms | 2 NS 0 A 1 MX | 🔓 Insecure |