feedback.emkt.dinamize.com has no CNAME records.
Question and response
Question
dig feedback.emkt.dinamize.com. NS
Answer
The response has no answer records.
Authority
dinamize.com. 762 SOA adi.ns.cloudflare.com. dns.cloudflare.com. 2395990518 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0