dns1.cidc.telus.com has no CNAME records.
Question and response
Question
dig dns1.cidc.telus.com. NS
Answer
The response has no answer records.
Authority
cidc.telus.com. 4574 SOA dns1.cidc.telus.com. support.cidc.telus.com. 2024051401 300 300 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0