tdcdk.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 1 March 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.249.40.66 is hosted by TDC Holding A/S (AS3292) in Denmark. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.249.40.66 | 3600s | mail.mailfilter.dk | AS3292 | TDC Holding A/S | 195.249.0.0/16 | 🇩🇰 Denmark | Odense |
| TXT Record |
|---|
| v=spf1 include:_spf.mailfilter.dk -all |
| Policy | Record (tdcdk.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.mailfilter.dk -all |
| Policy | Record (_dmarc.tdcdk.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:cv1zdpyr@ag.eu.dmarcian.com; ruf=mailto:cv1zdpyr@fr.eu.dmarcian.com; |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
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 | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2022051487 |
| 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 | 2001-03-01 |
| Expires | 2027-03-31 (161d) |
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 |
|---|---|---|---|
| 2026-10-12 15:53:21 shown | 872ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-11 13:38:50 | 1783ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-08 08:29:30 | 544ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 18:21:06 | 1005ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-25 18:31:30 | 647ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-24 18:19:34 | 718ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-23 17:42:32 | 2378ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-07 23:21:04 | 844ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-04 04:48:59 | 642ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-02 06:39:52 | 741ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-19 00:17:43 | 3691ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-17 23:11:36 | 977ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-16 22:10:29 | 808ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-04 23:08:56 | 9648ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-14 10:27:05 | 733ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-11 17:29:38 | 9718ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-28 01:30:25 | 852ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-26 16:17:37 | 1077ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-21 14:33:40 | 472ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-19 21:52:17 | 1442ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-18 01:14:41 | 2813ms | 4 NS 1 A 0 MX | 🔓 Insecure |