discoversystem.dk is a .dk domain served by 2 nameservers (darwin.ns.cloudflare.com, zelda.ns.cloudflare.com). It was registered on 22 June 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.59.245 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 |
|---|---|---|---|---|---|---|---|
| 104.21.59.245 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.186.72 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:3bf5 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:ba48 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.59.245,172.67.186.72 ech=AEX+DQBBRgAgACCgfwK0EK95Hpu+kmgHpw1E6ny4VWq8l0C6keq6rdhTXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:3bf5,2606:4700:3035::ac43:ba48 |
| www | 104.21.59.245 172.67.186.72 2606:4700:3034::6815:3bf5 2606:4700:3035::ac43:ba48 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network discoversystem.dk: 104.21.59.245 172.67.186.72 2606:4700:3034::6815:3bf5 2606:4700:3035::ac43:ba48 (AS13335) www.discoversystem.dk: 104.21.59.245 172.67.186.72 2606:4700:3034::6815:3bf5 2606:4700:3035::ac43:ba48 (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 | 2405759031 |
| Primary NS (MNAME) | darwin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Netkant ApS |
| Registered | 2011-06-22 |
| Expires | 2027-06-30 (255d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 13:21:45 | 505ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-27 21:44:40 | 615ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 20:26:20 | 764ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-19 05:11:48 | 1024ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-30 13:50:14 | 8797ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-24 16:39:57 | 9689ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 21:59:34 | 608ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 09:32:26 | 919ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 05:45:33 shown | 874ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 03:25:35 | 373ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 03:21:08 | 473ms | 2 NS 2 A 0 MX | 🔓 Insecure |