Apex domains cannot have CNAME records.
Question and response
Question
dig mypeople.com. NS
Answer
mypeople.com. 5 NS ns-865.awsdns-44.net.
mypeople.com. 5 NS ns-1426.awsdns-50.org.
mypeople.com. 5 NS ns-1675.awsdns-17.co.uk.
mypeople.com. 5 NS ns-447.awsdns-55.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0