Apex domains cannot have CNAME records.
Question and response
Question
dig msi.net.do. NS
Answer
msi.net.do. 5 NS ed.ns.cloudflare.com.
msi.net.do. 5 NS anastasia.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0