corefitness.dk is a .dk domain served by 2 nameservers (dayana.ns.cloudflare.com, kyree.ns.cloudflare.com). It was registered on 1 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.72.104 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 |
|---|---|---|---|---|---|---|---|
| 104.21.72.104 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.181.168 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:4868 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:b5a8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.72.104,172.67.181.168 ech=AEX+DQBBrgAgACC/HnG83DHZy2/1FYnOVy42M2q6JngpBaGt5HuFyGm3eAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4868,2606:4700:3033::ac43:b5a8 |
| TXT Record |
|---|
| google-site-verification=6NssZh6m0ek-Jcbr9J8f68PMZTJ2oqFvqnoelDkUxDU |
| www | 104.21.72.104 172.67.181.168 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network corefitness.dk: 188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.corefitness.dk: 104.21.72.104 172.67.181.168 2a06:98c1:3120::1 2a06:98c1:3121::1 (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 | 2416290168 |
| Primary NS (MNAME) | dayana.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2023-10-01 |
| Expires | 2026-09-30 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 23:28:00 shown | 484ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 23:16:03 | 1454ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-06 19:03:26 | 1836ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 06:23:15 | 591ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-08 03:58:06 | 1075ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-06 18:30:19 | 2605ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 15:03:03 | 3088ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 15:16:42 | 1072ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 22:21:11 | 11590ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 22:25:08 | 487ms | 2 NS 2 A 0 MX | 🔓 Insecure |