mail.lr002.net has no CNAME records.
Question and response
Question
dig mail.lr002.net. NS
Answer
The response has no answer records.
Authority
lr002.net. 300 SOA level.np6.com. masterdns.np6.com. 2005040547 900 600 86400 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0