kluster.dk is a .dk domain served by 2 nameservers (beau.ns.cloudflare.com, ruth.ns.cloudflare.com). It first appeared in the .dk zone on 7 July 2026. Its website address 104.21.72.15 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.72.15 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.173.190 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:480f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:adbe | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.72.15,172.67.173.190 ech=AEX+DQBBtAAgACDJYrXuGOUMPciZihIqUl9HMZKBRcnHjsbnH2hTfP2BMQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:480f,2606:4700:3036::ac43:adbe |
| www | 104.21.72.15 172.67.173.190 2606:4700:3035::6815:480f 2606:4700:3036::ac43:adbe (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 | 2414116879 |
| Primary NS (MNAME) | beau.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 23:54:42 | 361ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 15:35:04 shown | 577ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-07 12:05:47 | 1602ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 17:41:48 | 772ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-07 01:41:39 | 903ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-24 08:01:36 | 887ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-19 00:14:59 | 1472ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-17 20:27:17 | 845ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-08 21:49:05 | 2013ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-07 08:46:13 | 2961ms | 2 NS 2 A 0 MX | 🔓 Insecure |