bluetec.dk is a .dk domain served by 3 nameservers (ns1.ravn-hjemmesider.dk, ns2.ravn-hjemmesider.dk, ns3.ravn-hjemmesider.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.76.157.210 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by bluetec.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 |
|---|---|---|---|---|---|---|---|
| 144.76.157.210 | 14400s | server2.ravn-hjemmesider.dk | AS24940 | Hetzner Online GmbH | 144.76.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | bluetec.dk | 144.76.157.210 2a01:4f8:200:30d1::2 |
server2.ravn-hjemmesider.dk server2.ravn-hjemmesider.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:200:30d1::2 | 14400s | server2.ravn-hjemmesider.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 a mx +ip4:94.130.16.45 +ip4:94.130.16.45 +include:relay.mailchannels.net ?all |
| Policy | Record (bluetec.dk) |
|---|---|
| ?all (neutral) | v=spf1 a mx +ip4:94.130.16.45 +ip4:94.130.16.45 +include:relay.mailchannels.net ?all |
| www CNAME | bluetec.dk (all on bluetec.dk) |
| www vs bare domain | Same network bluetec.dk: 144.76.157.210 2a01:4f8:200:30d1::2 (AS24940) www.bluetec.dk: 144.76.157.210 2a01:4f8:200:30d1::2 (AS24940) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 3/10 · policy: ?all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.bluetec.dk | UvWI4T-2qx6Lri-zT3hQgpPwGR3jhNmrygdtHDs4z9U |
| 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 | 2026091501 |
| Primary NS (MNAME) | ns1.ravn-hjemmesider.dk |
| Responsible (RNAME) | asger@ravn-hjemmesider.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 23:33:28 shown | 1064ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 07:55:08 | 930ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-18 22:03:24 | 1180ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-05 18:57:46 | 2448ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-17 05:30:17 | 1083ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 21:15:39 | 898ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 01:54:51 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 10:36:24 | 849ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:17:01 | 2042ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:10:45 | 1402ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:05:51 | 700ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 15:01:05 | 610ms | 3 NS 1 A 1 MX | 🔓 Insecure |