fmmadsen.dk is a .dk domain served by 2 nameservers (ns1.box.cgdev.dk, ns2.box.cgdev.dk). It was registered on 16 October 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.248.255.18 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by box.cgdev.dk. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.box.cgdev.dk | 104.248.255.18 | box.cgdev.dk | AS14061 DigitalOcean, LLC |
| ns2.box.cgdev.dk | 104.248.255.18 | box.cgdev.dk | AS14061 DigitalOcean, LLC |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.248.255.18 | 86400s | box.cgdev.dk | AS14061 | DigitalOcean, LLC | 104.248.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | box.cgdev.dk | 104.248.255.18 2a03:b0c0:3:d0::cec:1001 |
box.cgdev.dk box.cgdev.dk |
AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.248.255.18 |
| 🔶 Autoconfig | 104.248.255.18 |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (fmmadsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.fmmadsen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | fKzOpfNTricnIHrAE4AD |
| max_age | 604800s |
| Policy MX | box.cgdev.dk |
| www | 104.248.255.18 (AS14061) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · no salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.box.cgdev.dk | DANE-EE · SPKI · SHA-256 | 011967EBF0C5D280C659E2F40FB94024… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026070100 |
| Primary NS (MNAME) | ns1.box.cgdev.dk |
| Responsible (RNAME) | hostmaster@box.cgdev.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-10-16 |
| Expires | 2028-10-31 (745d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| cybergeek.dk | Punktum dk A/S (direct) |
| sundhedsinfo.dk | Punktum dk A/S (direct) |
| systemadministratortilbydes.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 14:16:37 | 1257ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 16:11:27 | 9847ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 15:16:24 | 849ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 04:14:43 | 18119ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 04:57:24 | 2523ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 15:06:33 shown | 6170ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 12:55:57 | 2506ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 12:00:11 | 5278ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 05:29:37 | 907ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:43:08 | 1238ms | 2 NS 1 A 1 MX | 🔒 Secure |