520.dk is a .dk domain served by 2 nameservers (jarred.ns.cloudflare.com, peaches.ns.cloudflare.com). It was registered on 20 October 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.147 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.76.147 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.196.62 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:c43e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:4c93 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.76.147,172.67.196.62 ech=AEX+DQBBmAAgACCP/tRS9t3KHbLVCTHxHhralljTtSvfpCt2ZhVLejBvWAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c43e,2606:4700:3033::6815:4c93 |
| Policy | Record (_dmarc.520.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:christian@zohnesen.dk |
| www | 188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | 2415501957 |
| Primary NS (MNAME) | jarred.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 | 2006-10-20 |
| Expires | 2026-10-31 (14d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 13:04:10 | 1379ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-07 23:18:57 shown | 449ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 02:33:32 | 1048ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 04:24:53 | 1365ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-10 02:39:42 | 3061ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 21:32:23 | 866ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-16 15:17:35 | 6435ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-24 01:02:49 | 892ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-02 14:13:58 | 9724ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-27 03:29:39 | 774ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 04:11:56 | 2497ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-21 08:46:16 | 1168ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 09:33:05 | 10760ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 13:14:38 | 430ms | 2 NS 2 A 0 MX | 🔓 Insecure |