zklassen.dk is a .dk domain served by 3 nameservers (ns1.mermaidconsulting.dk, ns2.mermaidconsulting.dk, ns3.mermaidconsulting.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.137.236.28 is hosted by NetNordic Denmark A/S (AS59701) in Denmark. Mail is handled by mail.zklassen.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.137.236.28 | 900s | — | AS59701 | NetNordic Denmark A/S | 195.137.236.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 900s | mail.zklassen.dk | 195.137.236.28 | — | AS59701 NetNordic Denmark A/S |
| www | 195.137.236.28 (AS59701) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 | 2018051305 |
| Primary NS (MNAME) | ns1.mermaidconsulting.dk |
| Responsible (RNAME) | root@mermaidconsulting.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 11:51:57 | 1307ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 07:29:37 shown | 692ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 11:23:53 | 606ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 00:52:34 | 3520ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 09:30:52 | 1085ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 01:54:10 | 1176ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 03:40:47 | 4796ms | 3 NS 1 A 1 MX | 🔓 Insecure |