mail.wizard.ca has no CNAME records.
Question and response
Question
dig mail.wizard.ca. NS
Answer
The response has no answer records.
Authority
wizard.ca. 3049 SOA localhost. hostmaster.wizard.ca. 2005041771 86400 3600 3600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0