Apex domains cannot have CNAME records.
Question and response
Question
dig pery.com. NS
Answer
pery.com. 1 NS dns2.pery.com.
pery.com. 1 NS dns3.pery.com.
pery.com. 1 NS dns4.pery.com.
Authority
The response has no authority records.
Additional
dns2.pery.com. 1 A 67.90.251.229
dns3.pery.com. 1 A 204.126.99.2
dns4.pery.com. 1 A 204.126.98.2
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0