Apex domains cannot have CNAME records.
Question and response
Question
dig alajury.com. NS
Answer
alajury.com. 5 NS dns176.d.register.com.
alajury.com. 5 NS dns057.a.register.com.
alajury.com. 5 NS dns097.b.register.com.
alajury.com. 5 NS dns219.c.register.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0