cassenz.dk is a .dk domain served by 2 nameservers (ns1.yoursrs.com, ns2.yoursrs.com). It was registered on 21 July 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.158.206.72 is hosted by Cyso Group B.V. (AS25151) in The Netherlands. Mail is handled by mail.sigmasolutions.eu, mx1.cyso.net and 1 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 85.158.206.72 | 60s | ssl.vh18.sigmasolutions.eu | AS25151 | Cyso Group B.V. | 85.158.200.0/21 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.sigmasolutions.eu | 85.158.206.97 | vh14-ssl.sigmasolutions.eu | AS25151 Cyso Group B.V. |
| 20 | 3600s | mx1.cyso.net | 85.158.200.78 | mx1.cyso.net | AS25151 Cyso Group B.V. |
| 30 | 3600s | mx2.cyso.net | 85.158.202.246 | free.cyso.net | AS25151 Cyso Group B.V. |
| TXT Record |
|---|
| v=spf1 a mx include:spf.sigma1.postal.cyso.net ~all |
| Policy | Record (cassenz.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:spf.sigma1.postal.cyso.net ~all |
| www CNAME | cassenz.dk (all on cassenz.dk) |
| Wildcard | No |
DNS lookups: 3/10 · 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 | 2018092000 |
| Primary NS (MNAME) | ns1.yoursrs.com |
| Responsible (RNAME) | hostmaster@cassenz.dk |
| Refresh | 1s |
| Retry | 1s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 604800s |
| Field | Value |
|---|---|
| Registrar | Realtime Register B.V. |
| Registered | 2009-07-21 |
| Expires | 2027-07-31 (283d) |
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 |
|---|---|---|---|
| 2026-10-01 07:50:57 | 828ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 22:00:58 shown | 840ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 04:24:29 | 9926ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-28 04:10:53 | 1141ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 16:11:14 | 2092ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 19:42:03 | 707ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 19:41:29 | 822ms | 2 NS 1 A 3 MX | 🔓 Insecure |