Apex domains cannot have CNAME records.
Question and response
Question
dig u2cansave.com. NS
Answer
u2cansave.com. 5 NS ns-1418.awsdns-49.org.
u2cansave.com. 5 NS ns-720.awsdns-26.net.
u2cansave.com. 5 NS ns-776.awsdns-33.net.
u2cansave.com. 5 NS ns-1906.awsdns-46.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0