kalusk.dk is a .dk domain served by 2 nameservers (kip.ns.cloudflare.com, serena.ns.cloudflare.com). It was registered on 11 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.49.31 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mxscanner2.hostingservice2.dk. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.49.31 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.140.131 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mxscanner2.hostingservice2.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:311f | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:8c83 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.49.31,172.67.140.131 ech=AEX+DQBBNAAgACDAjIMLMdyoyKrz46qSONFPzN+RU0NXjPG5OscOQ8iLfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:311f,2606:4700:3037::ac43:8c83 |
| TXT Record |
|---|
| ungdomsskoler.azurewebsites.net |
| www | 104.21.49.31 172.67.140.131 2606:4700:3034::6815:311f 2606:4700:3037::ac43:8c83 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'kalusk.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2406573298 |
| Primary NS (MNAME) | kip.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 | 2000-04-11 |
| Expires | 2027-06-30 (253d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 16:45:57 | 2073ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 15:19:14 | 765ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 14:25:34 | 546ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 21:31:12 | 764ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-16 22:50:07 | 9501ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 15:08:22 | 961ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-03 13:27:24 | 1336ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-18 08:43:58 | 3164ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-30 09:51:57 | 904ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:53:49 shown | 1899ms | 2 NS 2 A 1 MX | ⚠️ Bogus |