dfdsdan.dk is a .dk domain served by 2 nameservers (udns1.cscdns.net, udns2.cscdns.uk). It was registered on 26 October 1999 (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 (dfdsdan.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.dfdsdan.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_agg@auth.returnpath.net; ruf=mailto:dmarc_afrf@auth.returnpath.net |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | digicert.com |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves dfdsdan.dk: no address www.dfdsdan.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| 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 | 2019102557 |
| Primary NS (MNAME) | udns1.cscdns.net |
| Responsible (RNAME) | premiumdns@support.neustar |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 1999-10-26 |
| Expires | 2026-12-31 (72d) |
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 |
|---|---|---|---|
| 2026-10-17 09:56:51 shown | 1590ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-13 03:35:40 | 514ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-09 20:40:47 | 499ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-03 04:52:46 | 1556ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-30 04:21:12 | 672ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 01:25:58 | 521ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 00:52:49 | 543ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-19 00:39:36 | 625ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-16 12:21:32 | 778ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-09 14:11:02 | 885ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-07 03:28:08 | 592ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-06 10:27:28 | 549ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 17:55:14 | 447ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-21 20:02:59 | 903ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 19:56:37 | 671ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-18 04:08:32 | 8761ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-14 14:39:28 | 3097ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 18:06:47 | 1479ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-05 10:25:15 | 2533ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-28 20:07:27 | 9532ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 13:13:01 | 9545ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-21 09:56:28 | 651ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-19 09:20:26 | 769ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-15 12:03:21 | 729ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-11 22:24:05 | 2526ms | 2 NS 1 A 0 MX | 🔒 Secure |