clcta.dk is a .dk domain served by 6 nameservers (df-ns01.skat.dk, df-ns02.skat.dk, df-ns03.skat.dk and 3 more). It was registered on 9 June 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by .. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 1800s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| _globalsign-domain-verification=idK_0eD8yTPUAlFSGMVi6uWibDuXJTte8bdHBcOBm3 |
| SKAT |
| v=spf1 -all |
| Policy | Record (clcta.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.clcta.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:fd0c97ad@in.mailhardener.com; ruf=mailto:fd0c97ad@in.mailhardener.com |
| www | Exists, no address |
| www vs bare domain | Neither resolves clcta.dk: no address www.clcta.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 | 2025091806 |
| Primary NS (MNAME) | df-ns01.skat.dk |
| Responsible (RNAME) | hostmaster@csc.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-06-09 |
| Expires | 2027-07-31 (285d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 02:15:09 | 1636ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-07 16:36:22 | 414ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-05 09:47:04 | 1292ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 09:28:27 | 523ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 09:18:27 | 423ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 04:39:57 shown | 761ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-12 21:40:26 | 507ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 20:01:40 | 2837ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-16 07:05:58 | 4895ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-11 23:46:09 | 4274ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-06 21:56:59 | 2681ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-25 02:21:43 | 9660ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-20 23:14:15 | 2106ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-14 00:32:13 | 2123ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-01 21:10:26 | 968ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-29 22:19:07 | 702ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-29 19:07:29 | 613ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 11:44:40 | 3770ms | 6 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 21:11:22 | 406ms | 6 NS 0 A 0 MX | 🔒 Secure |