althoff.dk is a .dk domain served by 2 nameservers (dns1.compusoft.dk, dns2.compusoft.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.166.12.23 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by althoff-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns1.compusoft.dk | — | — | — |
| dns2.compusoft.dk | — | — | — |
| TXT Record |
|---|
| MS=ms64470792 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (althoff.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | althoff.dk (all on althoff.dk) → 80.166.12.23 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 1202037721 |
| Primary NS (MNAME) | dns1.compusoft.dk |
| Responsible (RNAME) | webmaster@compusoft.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 23:11:37 | 1148ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-17 08:25:38 | 4098ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-06 11:54:47 | 4208ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 12:24:37 | 1094ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 02:06:10 | 1891ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 00:59:47 | 1260ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 12:52:48 shown | 2467ms | 2 NS 1 A 2 MX | 🔓 Insecure |