Apex domains cannot have CNAME records.
Question and response
Question
dig wcl.axcient.com. NS
Answer
wcl.axcient.com. 4 NS ns-5.awsdns-00.com.
wcl.axcient.com. 4 NS ns-1175.awsdns-18.org.
wcl.axcient.com. 4 NS ns-869.awsdns-44.net.
wcl.axcient.com. 4 NS ns-2004.awsdns-58.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0