Apex domains cannot have CNAME records.
Question and response
Question
dig fhalc.org. NS
Answer
fhalc.org. 2 NS ns-1334.awsdns-38.org.
fhalc.org. 2 NS ns-668.awsdns-19.net.
fhalc.org. 2 NS ns-417.awsdns-52.com.
fhalc.org. 2 NS ns-1130.awsdns-13.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0