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