bluebiomass.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 26 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.eurodns.com | — | — | — |
| ns2.eurodns.com | — | — | — |
| ns3.eurodns.com | — | — | — |
| ns4.eurodns.com | — | — | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (bluebiomass.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.bluebiomass.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s; |
| www | Exists, no address |
| www vs bare domain | Neither resolves bluebiomass.dk: no address www.bluebiomass.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2023041302 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2017-09-26 |
| Expires | 2027-09-30 (337d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 23:16:04 | 510ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-26 19:26:31 | 1084ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-12 09:55:46 | 612ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-10 06:35:25 | 637ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 12:54:29 | 607ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-27 18:17:00 | 620ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 06:43:16 | 616ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-22 20:47:22 | 702ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-15 19:13:49 | 9445ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-06 00:08:27 | 561ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-03 17:06:29 | 591ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-28 12:02:56 | 1042ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 11:44:53 | 766ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-18 04:01:09 | 2073ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-15 15:56:45 | 2823ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-06 17:17:59 | 831ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-29 12:32:54 | 2591ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-11 05:50:07 | 1589ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-03 11:00:01 | 700ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-28 15:01:51 | 732ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-23 18:38:38 | 1032ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 01:42:57 | 1614ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 10:29:21 | 806ms | 4 NS 0 A 1 MX | ⚠️ Bogus |
| 2026-06-21 07:53:29 | 1002ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 09:13:27 | 508ms | 4 NS 0 A 1 MX | ⚠️ Bogus |