opencompany.dk is a .dk domain served by 3 nameservers (ns1.netsite.dk, ns2.netsite.eu, ns3.netsite.se). It was registered on 15 October 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.netsite.dk. The zone is DNSSEC-signed and validates, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mx.netsite.dk | 185.224.16.170 | mx.netsite.dk | AS205206 Netsite A/S |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | autoconfig.netsite.dk → 185.224.16.223 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | autodiscover.netsite.dk |
| TXT Record |
|---|
| MS=065449B5C6745DFA47906806B161401D3CDF8508 |
| v=spf1 mx include:trustpilotservice.com include:spf.netsite.dk include:mailgun.org ~all |
| Policy | Record (opencompany.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx include:trustpilotservice.com include:spf.netsite.dk include:mailgun.org ~all |
| Policy | Record (_dmarc.opencompany.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 185.224.18.202 (AS205206) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 8/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.opencompany.dk | 03cCdWUTASc_Of_04MlOYjs6e9L0_0K1dYvFZyfJI2s |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101202 |
| Primary NS (MNAME) | ns1.netsite.dk |
| Responsible (RNAME) | hostmaster@netsite.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Netsite A/S |
| Registered | 2009-10-15 |
| Expires | 2027-04-30 (189d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 21:13:02 | 409ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 18:20:18 | 1385ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 17:07:44 shown | 558ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-09 10:03:08 | 470ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 03:23:15 | 2024ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 01:45:51 | 455ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 01:30:56 | 507ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 06:52:34 | 558ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 23:59:10 | 664ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 08:27:56 | 641ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 03:04:55 | 574ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 12:53:05 | 1406ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 18:49:43 | 488ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 18:24:55 | 586ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 05:03:18 | 6085ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 10:25:15 | 933ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 07:19:24 | 1345ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-30 03:29:12 | 1332ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 07:41:42 | 771ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 21:52:43 | 13676ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 12:08:15 | 704ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 14:58:55 | 719ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-05 07:34:35 | 1876ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 00:01:32 | 2627ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 04:56:09 | 703ms | 3 NS 1 A 1 MX | 🔒 Secure |