ws6.ocx.dk has no CNAME records.
Question and response
Question
dig ws6.ocx.dk. NS
Answer
The response has no answer records.
Authority
ocx.dk. 1800 SOA dan.ns.cloudflare.com. dns.cloudflare.com. 2396910992 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0