Apex domains cannot have CNAME records.
Question and response
Question
dig familia-ua.com. NS
Answer
familia-ua.com. 4 NS ns-1845.awsdns-38.co.uk.
familia-ua.com. 4 NS ns-846.awsdns-41.net.
familia-ua.com. 4 NS ns-238.awsdns-29.com.
familia-ua.com. 4 NS ns-1475.awsdns-56.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0