Apex domains cannot have CNAME records.
Question and response
Question
dig sporeproperties.com. NS
Answer
sporeproperties.com. 5 NS ns-1471.awsdns-55.org.
sporeproperties.com. 5 NS ns-1475.awsdns-56.org.
sporeproperties.com. 5 NS ns-701.awsdns-23.net.
sporeproperties.com. 5 NS ns-1106.awsdns-10.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0