denmarkopen.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.197.249.236 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.denmarkopen.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 91.197.249.236 | 3600s | plesk1.badminton.dk | AS48854 | team.blue Denmark A/S | 91.197.248.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.denmarkopen.dk | 194.150.112.200 | mailproxy1.dandomain.dk | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| google-site-verification=32cnglIe9eYY49eZDCRH2gd5j8KbA34tfJVWFTjq8Hg |
| google-site-verification=T8KmB8zF1jJ0aaSktRRbo9DP0D7xt2pBYnIWTeqa9KY |
| www | 91.197.249.236 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.denmarkopen.dk | N3x8PK-XARKx4ooGZ4LjR3u7SKh080zF_WAMBtoFyMc |
| TXT | _acme-challenge.denmarkopen.dk | inPSu527msiW7NBTEhLaIRyFRAWOXP9cAjOXSKcA4VM |
| TXT | _acme-challenge.denmarkopen.dk | p6ZAAH5VY0pOKbIJRHNOhHMybyPNx-M210Fmkuq0cKA |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081401 |
| Primary NS (MNAME) | ns.scannet2.dk |
| Responsible (RNAME) | hostmaster@scannet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 19:06:08 | 361ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 14:40:14 | 2413ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 12:24:44 shown | 731ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 12:59:55 | 663ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 15:33:47 | 930ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 16:34:41 | 548ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 10:28:59 | 1151ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 08:07:17 | 973ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 01:56:01 | 556ms | 2 NS 1 A 1 MX | 🔒 Secure |