Apex domains cannot have CNAME records.
Question and response
Question
dig myobpayglobal.com. NS
Answer
myobpayglobal.com. 5 NS ns-1915.awsdns-47.co.uk.
myobpayglobal.com. 5 NS ns-24.awsdns-03.com.
myobpayglobal.com. 5 NS ns-954.awsdns-55.net.
myobpayglobal.com. 5 NS ns-1274.awsdns-31.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0