ns.inwx.com has no CNAME records.
Question and response
Question
dig ns.inwx.com. NS
Answer
The response has no answer records.
Authority
inwx.com. 1423 SOA damon.ns.cloudflare.com. dns.cloudflare.com. 2398108380 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0