Apex domains cannot have CNAME records.
Question and response
Question
dig danceaboutmarketing.com. NS
Answer
danceaboutmarketing.com. 5 NS ns-716.awsdns-25.net.
danceaboutmarketing.com. 5 NS ns-492.awsdns-61.com.
danceaboutmarketing.com. 5 NS ns-1103.awsdns-09.org.
danceaboutmarketing.com. 5 NS ns-1030.awsdns-00.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0