Apex domains cannot have CNAME records.
Question and response
Question
dig LOFISNET.RU. NS
Answer
LOFISNET.RU. 5 NS ns.LOFISNET.RU.
LOFISNET.RU. 5 NS ns2.LOFISNET.RU.
Authority
The response has no authority records.
Additional
ns.lofisnet.ru. 5 A 91.193.220.36
ns2.lofisnet.ru. 5 A 91.193.221.68
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0