madskure.dk is a .dk domain served by 2 nameservers (salvador.ns.cloudflare.com, sandy.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.118 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.86.118 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.219.9 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:5676 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000::/42 | — | — |
| 2606:4700:3033::ac43:db09 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000::/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.86.118,172.67.219.9 ech=AEX+DQBB/QAgACBjY8XD+58/zkL+KXTQPw3sC60qaIxfVRTZXqP+SsXAHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:db09,2606:4700:3034::6815:5676 |
| www | Exists, no address |
| www vs bare domain | www does not resolve madskure.dk: 104.21.86.118 172.67.219.9 2606:4700:3033::ac43:db09 2606:4700:3034::6815:5676 (AS13335) (all like this)www.madskure.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.madskure.dk | bCNt3DdrbvupIauvtl7Vubeiu0Z5SiSll5no1tnORdE |
| TXT | _acme-challenge.madskure.dk | VlEHHJbNEF9fE_KEt8FrakcYI6u4BuQQ4CEBsC66BwM |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Key type | Algorithm | Public key |
|---|---|---|
| KSK | ECDSA P-256/SHA-256 | mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopK… |
| ZSK | ECDSA P-256/SHA-256 | oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XN… |
| Field | Value |
|---|---|
| Serial | 2414232199 |
| Primary NS (MNAME) | salvador.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 13:46:59 | 2378ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 00:36:27 | 624ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 21:24:24 | 3601ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 12:49:44 | 1899ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 10:51:20 shown | 1905ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 05:10:13 | 1618ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 23:20:29 | 764ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 23:57:11 | 939ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-23 15:00:44 | 4731ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 23:01:42 | 8508ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 23:32:51 | 538ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 01:34:45 | 8662ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 10:52:37 | 676ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 01:00:13 | 2402ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 21:50:39 | 1785ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 18:54:58 | 442ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 02:23:41 | 2311ms | 2 NS 1 A 0 MX | 🔒 Secure |