kalundborg-cc.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 10 September 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.42.165 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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.42.165 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.163.174 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:a3ae | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:2aa5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.42.165,172.67.163.174 ech=AEX+DQBBYgAgACD3wh4rW/rBYc0QqQMnHPPStUngze/qsw7uZ0AzKhIkIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:a3ae,2606:4700:3033::6815:2aa5 |
| www | 104.21.42.165 172.67.163.174 2606:4700:3030::ac43:a3ae 2606:4700:3033::6815:2aa5 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network kalundborg-cc.dk: 104.21.42.165 172.67.163.174 2606:4700:3030::ac43:a3ae 2606:4700:3033::6815:2aa5 (AS13335) www.kalundborg-cc.dk: 104.21.42.165 172.67.163.174 2606:4700:3030::ac43:a3ae 2606:4700:3033::6815:2aa5 (AS13335) |
| 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 | 2417024017 |
| Primary NS (MNAME) | duke.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2002-09-10 |
| Expires | 2027-09-30 (346d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 19:59:18 shown | 404ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-08 19:52:26 | 764ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-07 19:47:39 | 234ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-06 19:43:38 | 319ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 18:39:52 | 223ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-04 18:28:50 | 132ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-03 18:25:51 | 865ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-02 18:21:17 | 101ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-01 18:19:39 | 806ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-23 15:59:46 | 543ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-29 23:15:36 | 1057ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 17:21:04 | 954ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 05:03:01 | 642ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-02 08:36:13 | 1454ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 20:07:48 | 604ms | 2 NS 1 A 0 MX | 🔓 Insecure |