db.lofisnet.ru has no CNAME records.
Question and response
Question
dig db.lofisnet.ru. NS
Answer
The response has no answer records.
Authority
lofisnet.ru. 10800 SOA ns.lofisnet.ru. admin.lofisnet.ru. 164 20000 7200 3600 172800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0