leisystem.dk is a .dk domain served by 4 nameservers (ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org and 1 more). It was registered on 18 December 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.12.31.21 is hosted by Microsoft Corporation (AS8075) in Sweden. Mail is handled by zonemx.eu. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 51.12.31.21 | 3600s | — | AS8075 | Microsoft Corporation | 51.12.0.0/15 | 🇸🇪 Sweden | — |
| 51.12.74.2 | 3600s | — | AS8075 | Microsoft Corporation | 51.12.0.0/15 | 🇸🇪 Sweden | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2603:1020:1004:3::10b | 3600s | — | AS8075 | Microsoft Corporation | 2603:1000:0:0:0:0:0:0/26 | 🇸🇪 Sweden | — |
| www CNAME | leisystem.dk (all on leisystem.dk) |
| www vs bare domain | Same network leisystem.dk: 51.12.31.21 51.12.74.2 2603:1020:1004:3::10b (AS8075) www.leisystem.dk: 51.12.31.21 51.12.74.2 2603:1020:1004:3::10b (AS8075) |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.zonemx.eu | DANE-EE · SPKI · SHA-256 | C13528A18B9616337DC2AB825E7B030F… |
| 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 | 1 |
| Primary NS (MNAME) | ns1-09.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Dynadot LLC |
| Registered | 2024-12-18 |
| Expires | 2026-12-17 (61d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 18:29:04 shown | 658ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 20:03:03 | 9867ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 17:46:58 | 6614ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 05:44:48 | 819ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 01:03:06 | 3623ms | 3 NS 1 A 1 MX | ⚠️ Bogus |