duelsport.dk is a .dk domain served by 2 nameservers (aiden.ns.cloudflare.com, stevie.ns.cloudflare.com). It first appeared in the .dk zone on 12 August 2026. Its website address 104.21.14.158 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 |
|---|---|---|---|---|---|---|---|
| 104.21.14.158 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.160.5 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:a005 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:e9e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBdQAgACCtXPauYnwIQY1bwdjNG9GUkepAwJ0JjCUnS95rKokiewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 |
| TXT Record |
|---|
| google-site-verification=w0_-_k0m_N71Kpshr86lzfqIzku1SYkAnb4nsqsrYCo |
| www | 104.21.14.158 172.67.160.5 2606:4700:3033::ac43:a005 2606:4700:3035::6815:e9e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network duelsport.dk: 104.21.14.158 172.67.160.5 2606:4700:3033::ac43:a005 2606:4700:3035::6815:e9e (AS13335) www.duelsport.dk: 104.21.14.158 172.67.160.5 2606:4700:3033::ac43:a005 2606:4700:3035::6815:e9e (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 | 2417590684 |
| Primary NS (MNAME) | aiden.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 04:59:00 shown | 1309ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 11:07:29 | 543ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-21 01:21:42 | 7036ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-20 00:04:26 | 5290ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-17 21:42:41 | 3231ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-13 10:23:15 | 6361ms | 2 NS 3 A 0 MX | 🔓 Insecure |
| 2026-08-12 08:41:12 | 3691ms | 1 NS 0 A 0 MX | ❓ Unknown |