ns0.bvacom.net has no CNAME records.
Question and response
Question
dig ns0.bvacom.net. NS
Answer
The response has no answer records.
Authority
bvacom.net. 3 SOA ns0.bvacom.net. hostmaster.bvacom.net. 2015072900 86400 21600 3600000 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0