Apex domains cannot have CNAME records.
Question and response
Question
dig soundtechservices.com. NS
Answer
soundtechservices.com. 5 NS ns-1217.awsdns-24.org.
soundtechservices.com. 5 NS ns-1107.awsdns-10.org.
soundtechservices.com. 5 NS ns-896.awsdns-48.net.
soundtechservices.com. 5 NS ns-1935.awsdns-49.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0