bio2energy.dk is a .dk domain served by 2 nameservers (lloyd.ns.cloudflare.com, tess.ns.cloudflare.com). It was registered on 12 October 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.144 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by gw.mxbox.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.6.144 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.155.39 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | gw.mxbox.dk | 93.166.126.58 | 93-166-126-58-static.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:9b27 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:690 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.6.144,172.67.155.39 ech=AEX+DQBB1QAgACDHrss4Ckg/waeLaVKv5BDPKDQBB6Wme2+a2+FFHi8eVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9b27,2606:4700:3037::6815:690 |
| TXT Record |
|---|
| bio2energy.dk |
| v=spf1 -all |
| Policy | Record (bio2energy.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.bio2energy.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc.rua@mxbox.dk ; ruf=mailto:dmarc.ruf@mxbox.dk; |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve bio2energy.dk: 104.21.6.144 172.67.155.39 2606:4700:3031::ac43:9b27 2606:4700:3037::6815:690 (AS13335) (all like this)www.bio2energy.dk: no address |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 2417448212 |
| Primary NS (MNAME) | lloyd.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-10-12 |
| Expires | 2026-10-31 (14d) |
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 |
|---|---|---|---|
| 2026-10-14 14:36:44 shown | 1401ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 22:17:27 | 708ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-21 17:28:04 | 1864ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-23 07:57:08 | 6176ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-22 07:45:41 | 6021ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 10:04:14 | 1183ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-25 06:47:46 | 935ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-22 03:51:04 | 1169ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 14:37:52 | 568ms | 2 NS 2 A 1 MX | 🔓 Insecure |