tdcdanmark.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 21 December 2000 (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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (tdcdanmark.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.tdcdanmark.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; |
| www | Exists, no address |
| www vs bare domain | Neither resolves tdcdanmark.dk: no address www.tdcdanmark.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 | 2026072117 |
| 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 | 2000-12-21 |
| Expires | 2026-12-31 (65d) |
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 |
|---|---|---|---|
| 2026-10-19 17:43:06 shown | 581ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-18 16:43:14 | 435ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-16 15:29:41 | 655ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-15 13:41:46 | 800ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-14 12:32:01 | 958ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 03:01:56 | 587ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-26 02:46:10 | 660ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-08 16:28:09 | 712ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-06 02:32:28 | 9435ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-21 03:54:59 | 4321ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-20 01:51:21 | 5694ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-19 00:40:24 | 2232ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-06 10:39:21 | 979ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-23 07:59:40 | 9661ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-21 06:16:28 | 9567ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-15 05:45:36 | 9657ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-13 16:14:24 | 764ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-26 16:57:56 | 701ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-25 18:46:32 | 737ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-22 02:58:35 | 495ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-21 04:50:34 | 1141ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 22:57:56 | 974ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 00:50:50 | 1575ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-19 23:12:24 | 2935ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 00:28:19 | 743ms | 4 NS 0 A 0 MX | 🔒 Secure |