Apex domains cannot have CNAME records.
Question and response
Question
dig jaggaer.com. NS
Answer
jaggaer.com. 4 NS ns-643.awsdns-16.net.
jaggaer.com. 4 NS ns-1841.awsdns-38.co.uk.
jaggaer.com. 4 NS ns-30.awsdns-03.com.
jaggaer.com. 4 NS ns-1245.awsdns-27.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0