Apex domains cannot have CNAME records.
Question and response
Question
dig crossmichael.com. NS
Answer
crossmichael.com. 3 NS ns-948.awsdns-54.net.
crossmichael.com. 3 NS ns-967.awsdns-56.net.
crossmichael.com. 3 NS ns-144.awsdns-18.com.
crossmichael.com. 3 NS ns-368.awsdns-46.com.
Authority
The response has no authority records.
Additional
ns-967.awsdns-56.net. 2 A 205.251.195.199
ns-967.awsdns-56.net. 2 AAAA 2600:9000:5303:c700:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0