Apex domains cannot have CNAME records.
Question and response
Question
dig VERYTEL.RU. NS
Answer
VERYTEL.RU. 4 NS rodrigo.ns.cloudflare.com.
VERYTEL.RU. 4 NS paige.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0