Apex domains cannot have CNAME records.
Question and response
Question
dig softmagazin.ru. NS
Answer
softmagazin.ru. 5 NS ns5.it-lite.ru.
softmagazin.ru. 5 NS ns3.softmagazin.ru.
softmagazin.ru. 5 NS ns2.softmagazin.ru.
softmagazin.ru. 5 NS ns3.it-lite.ru.
softmagazin.ru. 5 NS ns1.it-lite.ru.
softmagazin.ru. 5 NS ns4.it-lite.ru.
softmagazin.ru. 5 NS ns2.it-lite.ru.
softmagazin.ru. 5 NS ns1.softmagazin.ru.
Authority
The response has no authority records.
Additional
ns1.softmagazin.ru. 5 A 91.218.248.170
ns2.softmagazin.ru. 5 A 91.218.251.3
ns3.softmagazin.ru. 5 A 91.218.250.39
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0