bluebit.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.224.3.177 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail-v7m2k.bluebit.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 46.224.3.177 | 1800s | web-r6o4g.bluebit.dk | AS24940 | Hetzner Online GmbH | 46.224.0.0/15 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 1800s | mail-v7m2k.bluebit.dk | 188.245.55.189 2a01:4f8:c012:c4dd::1 |
mail-v7m2k.bluebit.dk mail-v7m2k.bluebit.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail-v7m2k.bluebit.dk → 188.245.55.189 |
| 🔶 Autoconfig | mail-v7m2k.bluebit.dk → 188.245.55.189 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:c014:d86d:: | 1800s | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| google-site-verification=QRaRBA57P0NCEbjR6dRFmbjBAOCi08oQh3Vv5IZKEEo |
| openai-domain-verification=dv-upfRS6VHs5huk9uiYinOG03b |
| v=spf1 include:_spf.bluebit.dk include:fdspfeuc.freshemail.io ~all |
| Policy | Record (bluebit.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.bluebit.dk include:fdspfeuc.freshemail.io ~all |
| Policy | Record (_dmarc.bluebit.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@bluebit.dk; sp=none; aspf=r; |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tlsrpt@bluebit.dk |
| www CNAME | bluebit.dk (all on bluebit.dk) |
| www vs bare domain | Same network bluebit.dk: 46.224.3.177 2a01:4f8:c014:d86d:: (AS24940) www.bluebit.dk: 46.224.3.177 2a01:4f8:c014:d86d:: (AS24940) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | 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: 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 | 2026051705 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 00:41:27 | 898ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 10:18:43 | 906ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 02:10:40 | 10078ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 01:34:40 | 1052ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 02:45:06 shown | 1157ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 06:53:28 | 1122ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 15:04:22 | 333ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:03:42 | 1621ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:01:06 | 627ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:00:44 | 3813ms | 3 NS 1 A 1 MX | 🔓 Insecure |