Apex domains cannot have CNAME records.
Question and response
Question
dig garyyellowpages.com. NS
Answer
garyyellowpages.com. 5 NS ns2.garyyellowpages.com.
garyyellowpages.com. 5 NS ns1.garyyellowpages.com.
Authority
The response has no authority records.
Additional
ns1.garyyellowpages.com. 5 A 74.63.195.66
ns2.garyyellowpages.com. 5 A 74.63.195.67
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0