bck.dk is a .dk domain served by 2 nameservers (ns1.kortermann-hosting.dk, ns2.kortermann-hosting.dk). It was registered on 1 December 1999 (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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.kortermann-hosting.dk | 94.231.105.180 | vdom105.net.dk2.zitcom.dk | AS48854 team.blue Denmark A/S |
| ns2.kortermann-hosting.dk | 94.231.105.146 | — | AS48854 team.blue Denmark A/S |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves bck.dk: no address www.bck.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 | 55508 |
| Primary NS (MNAME) | ns1.kortermann-hosting.dk |
| Responsible (RNAME) | hostmaster@kortermann-hosting.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-12-01 |
| Expires | 2026-12-31 (73d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 16:05:06 | 392ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-28 22:01:20 | 813ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-26 20:01:01 | 793ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-24 01:55:11 | 1105ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-24 01:05:42 shown | 442ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 14:11:44 | 502ms | 2 NS 0 A 0 MX | 🔓 Insecure |