biohealth.dk is a .dk domain served by 2 nameservers (johnny.ns.cloudflare.com, maxine.ns.cloudflare.com). It was registered on 6 August 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.98 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.88.98 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.176.76 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 300s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.176.76 |
| 🔶 Autoconfig | 172.67.176.76 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:b04c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::6815:5862 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.88.98,172.67.176.76 ech=AEX+DQBBrwAgACB3V6T2X69/mCGQn8NhU8fkBpvDcuxha8C+xpuUHFRPGQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b04c,2606:4700:3032::6815:5862 |
| TXT Record |
|---|
| facebook-domain-verification=us054jzl3iyco11hhjx59bmgobrs4e |
| v=spf1 a include:spf.curanet.dk include:spf.mtasv.net ~all |
| Policy | Record (biohealth.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.curanet.dk include:spf.mtasv.net ~all |
| Policy | Record (_dmarc.biohealth.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:2a21822e8492.a@dmarcinput.com; ruf=mailto:2a21822e8492.f@dmarcinput.com; sp=none; fo=1 |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u29797766.wl017.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u29797766.wl017.sendgrid.net | RSA · ~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: 5/10 · 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 | 2416599406 |
| Primary NS (MNAME) | johnny.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2025-08-06 |
| Expires | 2027-08-05 (291d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 15:29:37 shown | 667ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 15:16:24 | 766ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-24 20:38:07 | 645ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-12 01:03:08 | 3102ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-28 05:59:48 | 676ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-07 02:58:17 | 1543ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-01 00:20:48 | 1043ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-02 10:17:22 | 3528ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-21 23:44:28 | 623ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 02:25:59 | 2272ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-16 14:38:47 | 538ms | 2 NS 2 A 2 MX | 🔓 Insecure |