heindorff.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 6 January 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.83 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.83 | — | linux33.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| www | 185.21.41.83 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2022011101 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2022-01-06 |
| Expires | 2027-01-05 (80d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-09 02:51:36 | 512ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 07:07:09 | 584ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-27 07:19:22 | 529ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-26 06:40:46 | 450ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-23 11:50:19 | 970ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 10:20:51 shown | 1397ms | 2 NS 1 A 0 MX | 🔒 Secure |