heltfri.dk is a .dk domain served by 2 nameservers (lovisa.ns.cloudflare.com, ruben.ns.cloudflare.com). It first appeared in the .dk zone on 13 August 2026. Its website address 104.21.7.192 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 |
|---|---|---|---|---|---|---|---|
| 104.21.7.192 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.187.250 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.7.192 |
| 🔶 Autoconfig | 104.21.7.192 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:bbfa | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:7c0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.7.192,172.67.187.250 ech=AEX+DQBBZAAgACDvuLFh8nj8bycdoLV8Rnvb2dhflxSdZrAwywR/kKzYMwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:bbfa,2606:4700:3035::6815:7c0 |
| www | 104.21.7.192 172.67.187.250 2606:4700:3034::ac43:bbfa 2606:4700:3035::6815:7c0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.heltfri.dk | _kddGzT9qNB5qlP4R0N0qCSGJj917rKDQaj2688jgMc |
| TXT | _acme-challenge.heltfri.dk | YkBviq4JaW86ns-cwn2t16E3rz_cYalwXPY8H3DpTcc |
| 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 | 2412797581 |
| Primary NS (MNAME) | lovisa.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 12:05:54 | 716ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 05:34:42 | 1151ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 03:05:35 | 503ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 11:13:51 | 632ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 04:02:59 | 3976ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-21 23:58:47 shown | 6527ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-13 08:45:53 | 3092ms | 2 NS 1 A 0 MX | 🔒 Secure |