opensquare.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 14 July 2026 (WHOIS) and first appeared in the .dk zone on 15 July 2026. Its website address 46.183.138.100 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| 46.183.139.211 | 3600s | web11.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 | opensquare.dk → 46.183.138.100 |
| 🔶 Autoconfig | opensquare.dk → 46.183.139.211 |
| 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 (opensquare.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.opensquare.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | opensquare.dk (all on opensquare.dk) |
| www vs bare domain | Same network opensquare.dk: 46.183.138.100 46.183.139.211 (AS47292) www.opensquare.dk: 46.183.138.100 46.183.139.211 (AS47292) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.opensquare.dk | opensquare.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@opensquare.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2026-07-14 |
| Expires | 2027-07-13 (268d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 12:19:04 shown | 2755ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-08 17:33:45 | 3794ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-01 11:15:42 | 3709ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-25 10:16:52 | 951ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-24 23:23:57 | 887ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-23 21:18:34 | 838ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-13 02:48:06 | 2238ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-08 00:22:39 | 831ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-27 12:26:30 | 947ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-20 11:20:25 | 10134ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-13 11:38:54 | 1281ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-09 11:27:27 | 993ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-01 10:23:05 | 1162ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-24 03:29:51 | 1076ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-16 09:00:24 | 1260ms | 5 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-15 08:40:03 | 1813ms | 5 NS 2 A 3 MX | 🔓 Insecure |