hackerakademi.dk is a .dk domain served by 4 nameservers (ns-105.awsdns-13.com, ns-1237.awsdns-26.org, ns-1616.awsdns-10.co.uk and 1 more). It was registered on 7 March 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.174.18.123 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by .. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (hackerakademi.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.hackerakademi.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;rua=mailto:hackerakademi@protonmail.com |
| www | 3.174.18.123 3.174.18.45 3.174.18.72 3.174.18.98 2600:9000:28e5:1000:1d:2b15:8540:93a1 2600:9000:28e5:2200:1d:2b15:8540:93a1 2600:9000:28e5:5a00:1d:2b15:8540:93a1 2600:9000:28e5:7600:1d:2b15:8540:93a1 (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network hackerakademi.dk: 3.174.18.123 3.174.18.45 3.174.18.72 3.174.18.98 (AS16509) www.hackerakademi.dk: 3.174.18.123 3.174.18.45 3.174.18.72 3.174.18.98 (AS16509) |
| Wildcard | No |
DNS lookups: 0/10 · 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 | 1 |
| Primary NS (MNAME) | ns-1616.awsdns-10.co.uk |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2016-03-07 |
| Expires | 2027-03-31 (165d) |
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 |
|---|---|
| h4x.dk | DANDOMAIN A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 11:44:02 shown | 3840ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-29 19:32:26 | 3166ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-27 20:26:37 | 3181ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-08-26 17:17:52 | 5394ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-06-24 10:51:48 | 1193ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-06-23 06:02:23 | 1127ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 04:40:39 | 1088ms | 4 NS 4 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:37:35 | 1253ms | 4 NS 4 A 0 MX | 🔓 Insecure |