Apex domains cannot have CNAME records.
Question and response
Question
dig keikihomealh.com. NS
Answer
keikihomealh.com. 4 NS ns-864.awsdns-44.net.
keikihomealh.com. 4 NS ns-533.awsdns-02.net.
keikihomealh.com. 4 NS ns-344.awsdns-43.com.
keikihomealh.com. 4 NS ns-888.awsdns-47.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0