bioresonans.dk is a .dk domain served by 3 nameservers (dns1.rackhosting.com, dns2.rackhosting.com, dns3.rackhosting.com). It was registered on 9 May 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.247.64.12 is hosted by Rackhosting.com ApS (AS31590) in Denmark. Mail is handled by mailfilter0.rackhosting.com, mailfilter1.rackhosting.com. 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 |
|---|---|---|---|
| dns1.rackhosting.com | — | — | — |
| dns2.rackhosting.com | — | — | — |
| dns3.rackhosting.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.247.64.12 | — | vice.rackhosting.com | AS31590 | Rackhosting.com ApS | 77.247.64.0/20 | 🇩🇰 Denmark | — |
| www CNAME | bioresonans.dk (all on bioresonans.dk) → 77.247.64.12 (AS31590) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 | 1483619078 |
| Primary NS (MNAME) | dns1.rackhosting.com |
| Responsible (RNAME) | hostmaster@rackhosting.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-05-09 |
| Expires | 2027-05-31 (226d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 16:54:39 | 656ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-03 08:02:54 | 9612ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 13:18:49 | 767ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-28 12:11:24 | 2677ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-27 15:19:33 | 1814ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-19 14:53:41 | 6009ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 14:38:05 shown | 800ms | 3 NS 1 A 2 MX | 🔓 Insecure |