Apex domains cannot have CNAME records.
Question and response
Question
dig singles-get-together.com. NS
Answer
singles-get-together.com. 5 NS ns-1628.awsdns-11.co.uk.
singles-get-together.com. 5 NS ns-1119.awsdns-11.org.
singles-get-together.com. 5 NS ns-720.awsdns-26.net.
singles-get-together.com. 5 NS ns-1366.awsdns-42.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0