audichallenge.dk is a .dk domain served by 4 nameservers (ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.249.218.176 is hosted by TDC Holding A/S (AS3292) in Denmark. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 195.249.218.176 | 3600s | semler.dk webprod3.semlernet.dk |
AS3292 | TDC Holding A/S | 195.249.0.0/16 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | webprod3.semlernet.dk |
| 🔶 Autoconfig | webprod3.semlernet.dk |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (audichallenge.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.audichallenge.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:dmarc_rapport@semler.dk |
| www CNAME | webprod3.semlernet.dk (all on semlernet.dk) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.audichallenge.dk |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.audichallenge.dk | webprod3.semlernet.dk |
| 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 | 20 |
| Primary NS (MNAME) | ns1-09.azure-dns.com |
| Responsible (RNAME) | dnsadmin@kmd.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 43200s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:56:26 | 940ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-01 01:31:56 | 433ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-26 15:34:53 | 588ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 16:29:43 shown | 674ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-02 01:24:54 | 533ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-02 00:50:50 | 2439ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 13:49:36 | 494ms | 4 NS 1 A 0 MX | 🔓 Insecure |