mx.right-ind.com has no CNAME records.
Question and response
Question
dig mx.right-ind.com. NS
Answer
The response has no answer records.
Authority
right-ind.com. 3228 SOA dns.right-ind.com. hostmaster.right-ind.com. 1379729788 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0