reidel.dk is a .dk domain served by 4 nameservers (spip.hulpsystems.net, spip.marlow.dk, spirillen.hulpsystems.net and 1 more). It was registered on 28 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by daffy.hulpsystems.net. 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 | 8170s | daffy.hulpsystems.net | 195.43.155.135 | daffy.hulpsystems.net | AS47490 TuxBox |
| www CNAME | bugs.hulpsystems.net (all on hulpsystems.net) |
| 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 | 2003091101 |
| Primary NS (MNAME) | spirillen.hulpsystems.net |
| Responsible (RNAME) | hostmaster@hulp.dk |
| Refresh | 10800s |
| Retry | 1800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-02-28 |
| Expires | 2027-03-31 (161d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-07-10 16:38:31 | 20457ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-24 03:02:59 shown | 3414ms | 4 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:24:51 | 14415ms | 4 NS 0 A 1 MX | 🔓 Insecure |