datasystem.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 17 May 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.220 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 5 more. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.gigahost.dk | — | — | — |
| ns2.gigahost.dk | — | — | — |
| ns3.gigahost.dk | — | — | — |
| ns4.gigahost.dk | — | — | — |
| ns5.gigahost.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.139.220 | — | web20.gigahost.dk | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (datasystem.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.datasystem.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | datasystem.dk (all on datasystem.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · 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 | 2026061203 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@datasystem.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2001-05-17 |
| Expires | 2027-06-30 (255d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 20:20:49 | 1281ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-10-08 11:16:11 | 3963ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-10-01 09:32:01 | 1132ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-24 07:44:53 | 1627ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-18 19:07:04 | 2176ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-14 06:36:24 | 2220ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-07 12:56:20 | 1512ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-27 13:11:25 | 1121ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-25 12:38:26 | 2995ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-20 08:54:40 | 10880ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-13 05:46:55 | 2247ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-09 19:28:49 | 1678ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-02 14:42:22 | 2028ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-23 21:45:29 | 1665ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-16 13:15:22 | 12531ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-12 00:53:33 | 3863ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-03 20:21:51 | 12019ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-25 13:23:36 | 1325ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-20 17:30:50 | 1908ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-17 01:05:24 shown | 893ms | 5 NS 1 A 7 MX | 🔓 Insecure |