Apex domains cannot have CNAME records.
Question and response
Question
dig UQSS.uquebec.ca. NS
Answer
uqss.uquebec.ca. 5 NS amnesix.uqss.uquebec.ca.
uqss.uquebec.ca. 5 NS authentix.uqss.uquebec.ca.
uqss.uquebec.ca. 5 NS identix.uqss.uquebec.ca.
uqss.uquebec.ca. 5 NS asterix.uqss.uquebec.ca.
Authority
The response has no authority records.
Additional
amnesix.uqss.UQuebec.CA. 5 A 192.77.51.5
asterix.uqss.uquebec.ca. 5 A 192.77.51.3
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0