heinchristiansen.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 5 September 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.43.22 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.heinchristiansen.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.43.22 | 3600s | vm1258.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.heinchristiansen.dk | 178.20.216.31 | server12.chosting.dk | AS21060 Atea A/S |
| TXT Record |
|---|
| v=spf1 a mx include:web.shared.mysmtp.com include:spf.curanet.dk +ip4:178.20.216.31 +ip4:178.20.216.32 include:spf.chosting.dk ~all |
| Policy | Record (heinchristiansen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:web.shared.mysmtp.com include:spf.curanet.dk +ip4:178.20.216.31 +ip4:178.20.216.32 include:spf.chosting.dk ~all |
| www | 185.21.43.22 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 12/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2023061601 |
| 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 | 2011-09-05 |
| Expires | 2027-09-30 (342d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| heinbyg.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 14:49:10 shown | 643ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 15:54:03 | 438ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 16:46:48 | 508ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 11:49:49 | 568ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:15:52 | 745ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:10:47 | 575ms | 2 NS 1 A 1 MX | 🔒 Secure |