Apex domains cannot have CNAME records.
Question and response
Question
dig instantprintphotobooth.com. NS
Answer
instantprintphotobooth.com. 1 NS ns1.instantprintphotobooth.com.
instantprintphotobooth.com. 1 NS ns2.instantprintphotobooth.com.
Authority
The response has no authority records.
Additional
ns1.instantprintphotobooth.com. 1 A 170.130.225.6
ns2.instantprintphotobooth.com. 1 A 54.37.82.2
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0