Apex domains cannot have CNAME records.
Question and response
Question
dig iqcx.com. NS
Answer
iqcx.com. 4 NS ns-1894.awsdns-44.co.uk.
iqcx.com. 4 NS ns-1289.awsdns-33.org.
iqcx.com. 4 NS ns-318.awsdns-39.com.
iqcx.com. 4 NS ns-840.awsdns-41.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0