frederikssundik.dk is a .dk domain served by 2 nameservers (courtney.ns.cloudflare.com, leo.ns.cloudflare.com). It was registered on 17 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.226 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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.13.226 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.133.82 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:8552 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::6815:de2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.13.226,172.67.133.82 ech=AEX+DQBBAAAgACD2W8FZNPXilLiFC/JYVZLvaYyCsa38UVtHKosEQjL0JgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8552,2606:4700:3031::6815:de2 |
| www | 104.21.13.226 172.67.133.82 2606:4700:3030::ac43:8552 2606:4700:3031::6815:de2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network frederikssundik.dk: 104.21.13.226 172.67.133.82 2606:4700:3030::ac43:8552 2606:4700:3031::6815:de2 (AS13335) www.frederikssundik.dk: 104.21.13.226 172.67.133.82 2606:4700:3030::ac43:8552 2606:4700:3031::6815:de2 (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 | 2406840965 |
| Primary NS (MNAME) | courtney.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Realtime Register B.V. |
| Registered | 2025-12-17 |
| Expires | 2026-12-16 (54d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 10:00:16 | 406ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-20 18:40:52 | 1164ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-15 00:27:39 | 2976ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-06 13:36:55 | 1335ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 21:44:05 | 8769ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-13 07:42:49 | 2783ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-27 09:39:09 shown | 822ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 06:01:16 | 505ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 10:05:56 | 10409ms | 0 NS 0 A 0 MX | ❓ Unknown |