biohus.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 8 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.17 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by inbound-smtp.skiff.com. 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 |
|---|---|---|---|---|---|---|---|
| 212.237.249.17 | 299s | splash.dandomain.dk | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 212.237.249.17 |
| 🔶 Autoconfig | 212.237.249.17 |
| TXT Record |
|---|
| v=spf1 include:gys7jqgtod2ak00.spf.skiff.com -all |
| Policy | Record (biohus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:gys7jqgtod2ak00.spf.skiff.com -all |
| Policy | Record (_dmarc.biohus.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; adkim=s; aspf=s |
| www | 212.237.249.17 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.inbound-smtp.skiff.com | DANE-EE · Full cert · SHA-256 | C57366938C6DD77EE09F87CD34036DAE… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024011601 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2024-01-08 |
| Expires | 2027-01-07 (78d) |
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 |
|---|---|
| naturlogi.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 18:25:41 | 2642ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 02:38:34 | 2512ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 07:50:50 | 655ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 00:04:42 shown | 894ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 05:03:44 | 1164ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 14:38:26 | 564ms | 2 NS 1 A 1 MX | 🔒 Secure |