Apex domains cannot have CNAME records.
Question and response
Question
dig pinpointe.com. NS
Answer
pinpointe.com. 5 NS ns-354.awsdns-44.com.
pinpointe.com. 5 NS ns-1556.awsdns-02.co.uk.
pinpointe.com. 5 NS ns-1027.awsdns-00.org.
pinpointe.com. 5 NS ns-730.awsdns-27.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0