cksc.dk is a .dk domain served by 2 nameservers (marissa.ns.cloudflare.com, noah.ns.cloudflare.com). It was registered on 10 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.80.153 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.80.153 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.186.60 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:5099 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:ba3c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.80.153,172.67.186.60 ech=AEX+DQBBYAAgACCJZ1leMVMbmCc0pzdNvjnuMru7KJiQ0WD9PVIOy9PnMgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5099,2606:4700:3037::ac43:ba3c |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (cksc.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.cksc.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve cksc.dk: 104.21.80.153 172.67.186.60 2606:4700:3033::6815:5099 2606:4700:3037::ac43:ba3c (AS13335) (all like this)www.cksc.dk: no address |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416961759 |
| Primary NS (MNAME) | marissa.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-06-10 |
| Expires | 2027-06-09 (234d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 03:19:15 shown | 719ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-07 03:13:10 | 356ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-03 02:16:32 | 538ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-21 06:38:51 | 628ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-17 20:09:51 | 752ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-06 04:04:37 | 629ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 04:26:22 | 662ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-01 01:00:35 | 874ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-29 22:54:24 | 485ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-28 06:40:42 | 468ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 06:15:38 | 586ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 05:59:41 | 8395ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-09 15:28:58 | 4180ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-07 07:12:29 | 1047ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-22 03:35:18 | 9827ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-20 16:17:51 | 1414ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-05 21:58:08 | 1716ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-29 14:23:31 | 731ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-18 20:07:23 | 1153ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 22:11:08 | 65535ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 21:07:35 | 287ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 21:02:58 | 1414ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 21:00:22 | 2592ms | 2 NS 2 A 0 MX | 🔓 Insecure |