Apex domains cannot have CNAME records.
Question and response
Question
dig saviv.net. NS
Answer
saviv.net. 5 NS dns2.site5.com.
saviv.net. 5 NS dns.site5.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0