hjerterfri.dk is a .dk domain served by 2 nameservers (clara.ns.cloudflare.com, mark.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.230 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 |
|---|---|---|---|---|---|---|---|
| 104.21.52.230 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.205.58 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:cd3a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:34e6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.52.230,172.67.205.58 ech=AEX+DQBBRgAgACB8vgaM/CHFc//5jAQdvR2y+uFIT72CainUrqeAQqBadwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:cd3a,2606:4700:3036::6815:34e6 |
| www | 104.21.52.230 172.67.205.58 2606:4700:3035::ac43:cd3a 2606:4700:3036::6815:34e6 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network hjerterfri.dk: 104.21.52.230 172.67.205.58 2606:4700:3035::ac43:cd3a 2606:4700:3036::6815:34e6 (AS13335) www.hjerterfri.dk: 104.21.52.230 172.67.205.58 2606:4700:3035::ac43:cd3a 2606:4700:3036::6815:34e6 (AS13335) |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.hjerterfri.dk | 3fjBUusJM8gOZJpUGzyBNc7xnRNFlw3NK-_k_CkpG6M |
| TXT | _acme-challenge.hjerterfri.dk | FiW0JoaqPW8MUmgvp8UDoIg8B9R79HabZ0vKMUxYpIU |
| 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 | 2414930740 |
| Primary NS (MNAME) | clara.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 05:06:43 | 1079ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 23:58:58 | 413ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 00:59:57 | 583ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-22 22:47:41 | 518ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-19 04:26:05 | 718ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-15 06:27:27 shown | 1941ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-10 17:13:00 | 755ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 21:39:03 | 1624ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-28 18:35:46 | 1393ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-27 17:57:15 | 9611ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-19 08:16:03 | 8995ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 17:53:15 | 1795ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 13:09:05 | 2742ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 12:38:22 | 259ms | 0 NS 0 A 0 MX | ❓ Unknown |