Apex domains cannot have CNAME records.
Question and response
Question
dig tiffanylandry.com. NS
Answer
tiffanylandry.com. 5 NS ns1.tiffanylandry.com.
tiffanylandry.com. 5 NS ns2.tiffanylandry.com.
Authority
The response has no authority records.
Additional
ns1.tiffanylandry.com. 5 A 108.174.194.134
ns2.tiffanylandry.com. 5 A 5.135.31.123
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0