cfx.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 2 May 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.134.228 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| helium.ns.hetzner.de | — | — | — |
| hydrogen.ns.hetzner.com | — | — | — |
| oxygen.ns.hetzner.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.150.134.228 | — | x599686e4.customers.hiper-net.dk | AS203953 | Hiper A/S | 89.150.128.0/18 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| mistral-domain-verification=9fcc7dba3f0a8eb678bf8948c5c7020c2a11f928 |
| protonmail-verification=0fd0a494cff9b38166cf7c2e134bec2e8ed94957 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (cfx.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.cfx.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 89.150.134.228 (AS203953) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| 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 | 2026042503 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-05-02 |
| Expires | 2027-05-31 (223d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 22:56:45 | 641ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-25 21:23:55 | 911ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-12 02:09:17 | 9633ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 06:17:19 | 930ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-24 17:35:01 | 10093ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-26 19:06:16 | 1404ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-20 06:52:57 | 628ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-20 04:25:43 | 1482ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-20 02:06:34 | 660ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 20:15:51 shown | 788ms | 3 NS 1 A 2 MX | 🔓 Insecure |