sites.clearcable.ca has no CNAME records.
Question and response
Question
dig sites.clearcable.ca. NS
Answer
The response has no answer records.
Authority
clearcable.ca. 3290 SOA ns1.clearcable.ca. hostmaster.clearcable.ca. 1772695668 10800 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0