500kroner.dk is a .dk domain served by 2 nameservers (addilyn.ns.cloudflare.com, roan.ns.cloudflare.com). It was registered on 12 September 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.110 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 |
|---|---|---|---|---|---|---|---|
| 104.21.26.110 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.135.240 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:87f0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:1a6e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.26.110,172.67.135.240 ech=AEX+DQBBEAAgACChO50UAaMK28udvZGd9zzhRH96f5u8+jnVeBaUIt/RNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:87f0,2606:4700:3033::6815:1a6e |
| www | 104.21.26.110 172.67.135.240 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network 500kroner.dk: 104.21.26.110 172.67.135.240 2606:4700:3030::ac43:87f0 2606:4700:3033::6815:1a6e (AS13335) www.500kroner.dk: 104.21.26.110 172.67.135.240 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.500kroner.dk | Mb1hPBKbyS9-j-BdraT_pUhoK35kZSiRGZL1l1EBiHM |
| TXT | _acme-challenge.500kroner.dk | VFfmZZgkqUM8jr8jFR0f7SCFSnkmxrFj09nKN7TbJYM |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416350473 |
| Primary NS (MNAME) | addilyn.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 | 2012-09-12 |
| Expires | 2027-09-30 (343d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 17:59:27 | 1548ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-10 01:15:58 | 663ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-08 18:24:54 | 636ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-02 17:05:23 | 634ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-01 17:04:11 shown | 702ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 16:57:34 | 682ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-20 10:24:12 | 665ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 16:53:06 | 710ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 13:11:23 | 512ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-13 13:10:41 | 3427ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-03 16:10:57 | 1475ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-11 04:14:43 | 9829ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 13:36:37 | 919ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 12:48:07 | 549ms | 2 NS 2 A 0 MX | 🔓 Insecure |