ns1.bee.vimpelcom.ru has no CNAME records.
Question and response
Question
dig ns1.bee.vimpelcom.ru. NS
Answer
The response has no answer records.
Authority
vimpelcom.ru. 10800 SOA ns1.beeline.ru. mgribkov.beeline.ru. 2016053194 1200 600 2419200 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0