dusek.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 16 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.9.175.212 is hosted by WebSupport s.r.o. (AS51013) in Slovakia. Mail is handled by mx10.active24.cz, mx20.active24.cz. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 37.9.175.212 | — | — | AS51013 | WebSupport s.r.o. | 37.9.168.0/21 | 🇸🇰 Slovakia | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx10.active24.cz | 45.13.137.85 | mx10.active24.cz | AS51013 WebSupport s.r.o. |
| 100 | — | mx20.active24.cz | 45.13.137.86 | mx20.active24.cz | AS51013 WebSupport s.r.o. |
| www | 37.9.175.212 (AS51013) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025121712 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2025-12-16 |
| Expires | 2026-12-15 (58d) |
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 |
|---|---|---|---|
| 2026-10-13 02:03:29 | 1707ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-09 14:30:24 | 1947ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-04 05:37:57 | 772ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 05:21:16 | 1001ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-03 05:57:16 | 832ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-21 20:43:29 | 2129ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 05:15:06 | 1560ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 05:10:05 shown | 12297ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 05:06:39 | 645ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 05:00:17 | 2826ms | 3 NS 1 A 2 MX | 🔓 Insecure |