Apex domains cannot have CNAME records.
Question and response
Question
dig edgesuite.net. NS
Answer
edgesuite.net. 5 NS usw6.akam.net.
edgesuite.net. 5 NS a9-64.akam.net.
edgesuite.net. 5 NS a18-64.akam.net.
edgesuite.net. 5 NS a5-64.akam.net.
edgesuite.net. 5 NS a3-64.akam.net.
edgesuite.net. 5 NS a28-64.akam.net.
edgesuite.net. 5 NS a24-64.akam.net.
edgesuite.net. 5 NS a6-64.akam.net.
edgesuite.net. 5 NS a11-64.akam.net.
edgesuite.net. 5 NS adns3.akam.net.
edgesuite.net. 5 NS a12-64.akam.net.
edgesuite.net. 5 NS a13-64.akam.net.
edgesuite.net. 5 NS ns1-2.akam.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0