Apex domains cannot have CNAME records.
Question and response
Question
dig iserveutah.com. NS
Answer
iserveutah.com. 5 NS ns-1500.awsdns-59.org.
iserveutah.com. 5 NS ns-907.awsdns-49.net.
iserveutah.com. 5 NS ns-2045.awsdns-63.co.uk.
iserveutah.com. 5 NS ns-1854.awsdns-39.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0