tdcsecure.dk is a .dk domain served by 4 nameservers (ns1-33.azure-dns.com, ns2-33.azure-dns.net, ns3-33.azure-dns.org and 1 more). It was registered on 14 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tdcsecure-dk.mail.protection.outlook.com. 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.
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (tdcsecure.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves tdcsecure.dk: no address www.tdcsecure.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 1 |
| Primary NS (MNAME) | ns1-33.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2024-03-14 |
| Expires | 2027-03-13 (142d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
Showing 100 of 550.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-03 03:21:23 | 794ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-02 22:18:39 | 1019ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:34:22 shown | 2575ms | 4 NS 0 A 1 MX | 🔓 Insecure |