Apex domains cannot have CNAME records.
Question and response
Question
dig tchippy.com. NS
Answer
tchippy.com. 5 NS ns-936.awsdns-53.net.
tchippy.com. 5 NS ns-1169.awsdns-18.org.
tchippy.com. 5 NS ns-212.awsdns-26.com.
tchippy.com. 5 NS ns-255.awsdns-31.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0