xperthr.dk is a .dk domain served by 3 nameservers (ns.domainnetwork.se, ns2.domainnetwork.se, ns3.domainnetwork.com). It was registered on 8 June 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.rbsrv.nl. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.rbsrv.nl | — | — | — |
| www CNAME | go.reedbusiness.nl (all on reedbusiness.nl) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2013112204 |
| Primary NS (MNAME) | ns.domainnetwork.se |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2010-06-08 |
| Expires | 2027-06-30 (253d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 00:08:43 | 661ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-04 07:11:31 | 721ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-29 17:40:47 | 1167ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-28 01:43:57 | 2380ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-02 01:54:32 | 841ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-26 11:59:33 shown | 712ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:46:10 | 671ms | 3 NS 0 A 1 MX | 🔓 Insecure |