blaahaj.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 29 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.167.52.152 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.teefs.eu. 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 |
|---|---|---|---|---|---|---|---|
| 89.167.52.152 | 3600s | boop.teefs.eu | AS24940 | Hetzner Online GmbH | 89.167.0.0/17 | 🇩🇪 Germany | Gunzenhausen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.teefs.eu | 2a01:4f9:c014:4cf5::1 89.167.52.152 |
boop.teefs.eu boop.teefs.eu |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f9:c014:4cf5::1 | 3600s | boop.teefs.eu | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇫🇮 Finland | Helsinki |
| TXT Record |
|---|
| v=spf1 mx a:mail1.teefs.eu a:mail2.teefs.eu -all |
| Policy | Record (blaahaj.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:mail1.teefs.eu a:mail2.teefs.eu -all |
| Policy | Record (_dmarc.blaahaj.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc-a@blaahaj.dk; ruf=mailto:dmarc-f@blaahaj.dk; fo=1; aspf=s; adkim=s |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.blaahaj.dk | 5GpCQYOx5ef226NGXnl4cLnnSsYJ6fDj8gFkCvcJEYM |
| 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 | 2026072401 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2024-03-29 |
| Expires | 2027-03-28 (151d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-25 09:20:58 | 970ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 04:44:13 | 697ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 06:24:40 | 717ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 14:40:47 | 825ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 04:05:49 | 1065ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 03:38:48 | 1333ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 19:04:39 shown | 1226ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 16:54:50 | 1014ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-25 08:25:46 | 1134ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 14:06:28 | 4271ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-06-16 14:45:11 | 748ms | 4 NS 4 A 1 MX | 🔓 Insecure |