Apex domains cannot have CNAME records.
Question and response
Question
dig ceiling-fans-ceiling-fans.com. NS
Answer
ceiling-fans-ceiling-fans.com. 5 NS ns-1164.awsdns-17.org.
ceiling-fans-ceiling-fans.com. 5 NS ns-502.awsdns-62.com.
ceiling-fans-ceiling-fans.com. 5 NS ns-851.awsdns-42.net.
ceiling-fans-ceiling-fans.com. 5 NS ns-1852.awsdns-39.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0