fiberbypost.dk is a .dk domain served by 4 nameservers (authns1.fiberby.net, authns2.fiberby.net, authns3.fiberby.net and 1 more). It was registered on 1 December 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| www | NXDOMAIN |
| www vs bare domain | Neither resolves fiberbypost.dk: no address www.fiberbypost.dk: no address |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2024043000 |
| Primary NS (MNAME) | authns1.fiberby.net |
| Responsible (RNAME) | hostmaster@fiberby.net |
| Refresh | 43200s |
| Retry | 1800s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-12-01 |
| Expires | 2026-12-31 (73d) |
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 |
|---|---|
| fiber-by.dk | Punktum dk A/S (direct) |
| fiberby.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 14:57:09 | 392ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-24 20:37:03 | 1023ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 02:40:18 | 10499ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-02 00:29:19 shown | 1577ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 09:26:32 | 516ms | 4 NS 0 A 0 MX | 🔓 Insecure |