cluster.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 7 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.202 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 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 |
|---|---|---|---|---|---|---|---|
| 46.183.139.202 | 3600s | web2.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 | CNAME / IP |
|---|---|
| 🔷 Autodiscover | cluster.dk → 46.183.139.202 |
| 🔶 Autoconfig | cluster.dk → 46.183.139.202 |
| 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 (cluster.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.cluster.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | cluster.dk (all on cluster.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.cluster.dk | cluster.dk |
| 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 | 2026101501 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@cluster.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-04-07 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 14:14:43 shown | 978ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 21:01:29 | 773ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-07 20:55:01 | 833ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 22:23:32 | 1142ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 21:22:50 | 851ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-18 20:35:39 | 791ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-11 17:56:07 | 1288ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-09 04:39:59 | 1162ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 11:53:10 | 9673ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 17:44:20 | 10029ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 11:48:15 | 1094ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 16:44:33 | 1092ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-01 17:32:51 | 1180ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 11:15:17 | 1137ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 02:08:14 | 934ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-11 15:34:14 | 896ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 18:15:38 | 905ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 00:14:15 | 930ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 03:43:34 | 2147ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 21:25:52 | 685ms | 5 NS 1 A 3 MX | 🔓 Insecure |