systemkøb.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 1 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.165.154.204 is hosted by TDC Holding A/S (AS3292) in Denmark. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 93.165.154.204 | 3600s | — | AS3292 | TDC Holding A/S | 93.165.128.0/17 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 +include:_spf26660.spfprotect.com -all |
| Policy | Record (systemkøb.dk) |
|---|---|
| -all (hard fail) | v=spf1 +include:_spf26660.spfprotect.com -all |
| Policy | Record (_dmarc.systemkøb.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:65323a8aa6f4a@dmarc.centerasecurity.com; |
| www | 93.165.154.204 (AS3292) (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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061001 |
| 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 | 2018-02-01 |
| Expires | 2028-02-29 (494d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-27 16:33:42 | 697ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-27 00:00:33 shown | 706ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 05:36:40 | 326ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 15:19:51 | 5184ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 14:17:23 | 1304ms | 2 NS 1 A 0 MX | 🔒 Secure |