businesstree.dk is a .dk domain served by 2 nameservers (ns.xtracon.dk, ns2.xtracon.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.97.134.18 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.xtracon.dk. The zone is not DNSSEC-signed, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.xtracon.dk | 178.72.16.21 | — | AS3342 Cibicom A/S |
| ns2.xtracon.dk | 178.72.22.92 | — | AS3342 Cibicom A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.97.134.18 | 38400s | — | AS48854 | team.blue Denmark A/S | 212.97.132.0/22 | 🇩🇰 Denmark | Skanderborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 900s | mx.xtracon.dk | 178.72.16.13 | mx.xtracon.dk | AS3342 Cibicom A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.ex2019.dk |
| TXT Record |
|---|
| v=spf1 mx include:_spf.xtracon.dk -all |
| Policy | Record (businesstree.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:_spf.xtracon.dk -all |
| www | 212.97.134.18 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
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 | 2024052801 |
| Primary NS (MNAME) | ns.xtracon.dk |
| Responsible (RNAME) | henrik@xtracon.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 38400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-20 04:19:23 shown | 4417ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 22:53:20 | 4614ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 11:32:04 | 4455ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 20:07:19 | 6019ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 17:50:19 | 4597ms | 2 NS 1 A 1 MX | 🔓 Insecure |