cmfc.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 18 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.128.253.151 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.128.253.151 | 3600s | 807271.cloudwaysapps.com | AS14061 | DigitalOcean, LLC | 178.128.0.0/16 | 🇳🇱 The Netherlands | Amsterdam |
| TXT Record |
|---|
| protonmail-verification=cfd1aa0217c73077eb64d20ff1501184bcb83a72 |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (cmfc.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.cmfc.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www CNAME | cmfc.dk (all on cmfc.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2023-01-18 |
| Expires | 2027-01-17 (85d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 15:49:47 | 1646ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 00:30:46 shown | 951ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 07:25:38 | 722ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 08:29:24 | 899ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 14:38:31 | 798ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 21:47:37 | 2411ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 21:30:06 | 792ms | 3 NS 1 A 2 MX | 🔒 Secure |