Apex domains cannot have CNAME records.
Question and response
Question
dig journ.msu.ru. NS
Answer
journ.msu.ru. 5 NS ns.msu.ru.
journ.msu.ru. 5 NS ns.journ.msu.ru.
Authority
The response has no authority records.
Additional
ns.msu.ru. 5 A 93.180.0.1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0