biorock.dk is a .dk domain served by 2 nameservers (sullivan.ns.cloudflare.com, tia.ns.cloudflare.com). It was registered on 7 March 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.89.132 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.biorock.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.89.132 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.189.74 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.biorock.dk | 62.212.70.109 | sennik-two.sennik.nl | AS60781 LeaseWeb Netherlands B.V. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:5984 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:bd4a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.89.132,172.67.189.74 ech=AEX+DQBBHwAgACCP2oTRSjDN8uMTQFaa6hvqsp6VOQZFzy6o8SqXQkWJIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5984,2606:4700:3035::ac43:bd4a |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | _dc-srv.3efecba4c11b._imaps._tcp.biorock.dk |
| TXT Record |
|---|
| v=spf1 mx ip:62.212.70.109 -all |
| Policy | Record (biorock.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip:62.212.70.109 -all |
| www | Address record (no CNAME) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
| 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 | 2416548298 |
| Primary NS (MNAME) | sullivan.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2021-03-07 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 19:20:25 shown | 890ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 16:58:58 | 1163ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-10 07:41:21 | 973ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 03:46:50 | 1245ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-20 18:26:49 | 10116ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 21:31:52 | 1152ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 16:43:00 | 928ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 14:38:16 | 528ms | 2 NS 2 A 1 MX | 🔓 Insecure |