cyber-net.dk is a .dk domain served by 2 nameservers (linux.cyber-net.dk, ns.cyber-net.dk). It was registered on 9 August 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.cyber-net.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|
| linux.cyber-net.dk | — | — | — |
| ns.cyber-net.dk | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.cyber-net.dk | 89.184.154.166 | 89-184-154-166.norlyscustomer.net | AS39642 Sinal A/S |
| TXT Record |
|---|
| google-site-verification=Yqd12ROOkLVRpQMXrR23ENT3QWBlcbUjBRelIPAx9f4 |
| v=spf1 a mx mx:cyber-net.dk ~all |
| Policy | Record (cyber-net.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx mx:cyber-net.dk ~all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 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: 3/10 · policy: ~all
No problems found| 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 | 2023083002 |
| Primary NS (MNAME) | ns.cyber-net.dk |
| Responsible (RNAME) | crc@cyber-net.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-08-09 |
| Expires | 2027-09-30 (348d) |
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 |
|---|---|
| cyberfox.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 05:01:57 | 9709ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-28 00:27:43 | 6183ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 12:14:08 | 3782ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:29:38 shown | 445ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:20:37 | 1033ms | 2 NS 1 A 1 MX | 🔓 Insecure |