Apex domains cannot have CNAME records.
Question and response
Question
dig gunrangeinaustin.com. NS
Answer
gunrangeinaustin.com. 5 NS ns-401.awsdns-50.com.
gunrangeinaustin.com. 5 NS ns-352.awsdns-44.com.
gunrangeinaustin.com. 5 NS ns-334.awsdns-41.com.
gunrangeinaustin.com. 5 NS ns-614.awsdns-12.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0