Apex domains cannot have CNAME records.
Question and response
Question
dig easydns.info. NS
Answer
easydns.info. 5 NS dns3.easydns.org.
easydns.info. 5 NS dns4.easydns.info.
easydns.info. 5 NS dns1.easydns.com.
easydns.info. 5 NS dns2.easydns.net.
Authority
The response has no authority records.
Additional
dns4.easydns.info. 5 A 64.68.197.10
dns4.easydns.info. 5 AAAA 2620:49:4:0:0:0:0:10
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0