Apex domains cannot have CNAME records.
Question and response
Question
dig mziq.com. NS
Answer
mziq.com. 5 NS ns-1522.awsdns-62.org.
mziq.com. 5 NS ns-979.awsdns-58.net.
mziq.com. 5 NS ns-356.awsdns-44.com.
mziq.com. 5 NS ns-1762.awsdns-28.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0