hackerclub.dk is a .dk domain served by 3 nameservers (ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de). It was registered on 22 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 65.21.63.22 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by www4.your-server.de. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 65.21.63.22 | 7200s | static.22.63.21.65.clients.your-server.de | AS24940 | Hetzner Online GmbH | 65.21.0.0/16 | 🇫🇮 Finland | Helsinki |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 7200s | www4.your-server.de | 2a01:4f8:d0a:27bd::2 88.198.219.246 |
www4.your-server.de www4.your-server.de |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | mail.your-server.de → 78.46.5.205 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 100 | 443 | mail.your-server.de |
| _imaps._tcp | 0 | 100 | 993 | mail.your-server.de |
| TXT Record |
|---|
| v=spf1 +a +mx ?all |
| Policy | Record (hackerclub.dk) |
|---|---|
| ?all (neutral) | v=spf1 +a +mx ?all |
| www | 65.21.63.22 2a01:4f8:d0a:27bd::2 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · 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 | 2026042800 |
| Primary NS (MNAME) | ns1.your-server.de |
| Responsible (RNAME) | postmaster@your-server.de |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-07-22 |
| Expires | 2027-07-21 (277d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| cybersikkerhedsuddannelse.dk | Punktum dk A/S (direct) |
| cybertræning.dk | Punktum dk A/S (direct) |
| hackerklub.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 00:56:08 shown | 994ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 07:46:30 | 810ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 22:55:35 | 879ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-10 09:31:25 | 763ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 12:03:12 | 1292ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:46:40 | 674ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:41:58 | 522ms | 3 NS 1 A 1 MX | 🔓 Insecure |