madsmm.dk is a .dk domain served by 2 nameservers (amber.ns.cloudflare.com, merlin.ns.cloudflare.com). It was registered on 22 February 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.12.73 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 |
|---|---|---|---|---|---|---|---|
| 104.21.12.73 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.193.191 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:c49 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:c1bf | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.12.73,172.67.193.191 ech=AEX+DQBBigAgACClcPRSYIi9pRSXEYI2Mp1rDDKFgCgesWfIc4Sj2ogUFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:c49,2606:4700:3033::ac43:c1bf |
| www | 104.21.12.73 172.67.193.191 2606:4700:3031::6815:c49 2606:4700:3033::ac43:c1bf (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.madsmm.dk | 4NEbqzaEKNBIMs26Ignef84nNWozmZ_aGRlXqzVI018 |
| 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 | 2415016404 |
| Primary NS (MNAME) | amber.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 | 2019-02-22 |
| Expires | 2027-02-28 (130d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 15:48:54 shown | 1025ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-16 20:01:22 | 1276ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-09 18:43:18 | 1368ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-02 18:35:44 | 1205ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 13:53:09 | 844ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-16 22:30:50 | 2758ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-08 21:05:24 | 1009ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 03:35:00 | 690ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 02:46:49 | 1194ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:40:49 | 828ms | 2 NS 2 A 0 MX | 🔓 Insecure |