a5k.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 2 October 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.224 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 46.183.139.224 | 3600s | web24.gigahost.dk | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (a5k.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.a5k.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | a5k.dk (all on a5k.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · 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 | 2026061801 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@a5k.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-10-02 |
| Expires | 2030-10-31 (1474d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 04:12:10 | 801ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 15:45:05 | 4724ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-03 14:10:55 | 926ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 11:58:14 | 937ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 10:57:25 | 1579ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-21 22:44:48 | 1402ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-14 21:10:14 | 1288ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-08 18:41:15 | 2054ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-28 02:13:16 | 900ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 23:07:48 | 735ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 04:56:04 | 1270ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 00:42:22 | 1322ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 01:59:59 | 9986ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-01 12:52:31 | 8977ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-24 00:09:23 | 9751ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 12:08:15 | 9914ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 02:43:13 | 1320ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 10:15:38 | 836ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-29 00:07:31 | 963ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 17:41:59 shown | 993ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 10:06:34 | 1283ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 12:54:42 | 1820ms | 5 NS 1 A 3 MX | 🔓 Insecure |