tdchsd.dk is a .dk domain served by 3 nameservers (authns001.yacn.dk, authns002.yacn.dk, authns003.yacn.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 |
|---|---|---|---|
| authns001.yacn.dk | 213.174.84.205 | authns001.yacn.dk | AS44398 Itm8 A/S |
| authns002.yacn.dk | 2.106.41.246 | — | AS3292 TDC Holding A/S |
| authns003.yacn.dk | 137.117.161.172 | authns003.yacn.dk | AS8075 Microsoft Corporation |
| www CNAME | tdchsd.dk (all on tdchsd.dk) |
| www vs bare domain | Neither resolves tdchsd.dk: no address www.tdchsd.dk: no address |
| 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 | 2019022201 |
| Primary NS (MNAME) | authns001.yacn.dk |
| Responsible (RNAME) | hostmaster@itrelation.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 23:33:44 | 10591ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-12 12:46:19 | 17850ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-27 05:21:42 shown | 8662ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-25 11:02:08 | 1619ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-25 08:55:49 | 1422ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-22 20:30:15 | 672ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-18 05:28:27 | 585ms | 3 NS 0 A 0 MX | 🔓 Insecure |