fdka.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 27 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 90.184.49.116 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.fdka.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 90.184.49.116 | 3600s | x5ab83174.customers.hiper-net.dk | AS203953 | Hiper A/S | 90.184.0.0/15 | 🇩🇰 Denmark | Hellerup |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.fdka.dk | 90.184.49.116 | x5ab83174.customers.hiper-net.dk | AS203953 Hiper A/S |
| TXT Record |
|---|
| v=spf1 a:mail.fdka.dk -all |
| Policy | Record (fdka.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:mail.fdka.dk -all |
| Policy | Record (_dmarc.fdka.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc-reports@fdka.dk |
| www | 90.184.49.116 (AS203953) (address records, no CNAME) |
| 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 |
| 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100300 |
| 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 | 2026-01-27 |
| Expires | 2027-01-26 (97d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 18:58:10 | 431ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 07:52:16 shown | 933ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:42:29 | 503ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 22:04:39 | 438ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 16:45:01 | 620ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 23:24:33 | 536ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 07:24:48 | 826ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 00:16:09 | 8634ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 22:07:19 | 721ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 19:34:59 | 1878ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-22 02:38:34 | 698ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 21:47:50 | 1176ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:34:13 | 748ms | 3 NS 1 A 0 MX | 🔒 Secure |