tdcdenmark.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 3 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, publishes a 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 -all |
| Policy | Record (tdcdenmark.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.tdcdenmark.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; |
| www | Exists, no address |
| www vs bare domain | Neither resolves tdcdenmark.dk: no address www.tdcdenmark.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025090153 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2001-01-03 |
| Expires | 2027-03-31 (155d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 01:29:52 | 574ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-17 03:13:15 | 615ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-16 02:10:07 | 1091ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-13 22:10:02 | 982ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 22:13:59 | 539ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 14:44:07 | 591ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 14:33:10 | 625ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 14:23:03 | 1012ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-08 13:57:34 | 692ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-07 10:25:20 | 858ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-21 10:00:57 | 3502ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-19 07:12:33 | 847ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-08 14:29:18 | 9884ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-31 16:34:51 | 815ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-22 13:24:07 | 702ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-21 10:43:11 | 826ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-15 22:39:44 | 9617ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-30 02:49:36 shown | 844ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-26 03:51:32 | 698ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-25 14:25:54 | 753ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-21 13:25:23 | 830ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 15:28:08 | 780ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 01:04:00 | 568ms | 4 NS 0 A 0 MX | 🔒 Secure |