Apex domains cannot have CNAME records.
Question and response
Question
dig les.net. NS
Answer
les.net. 5 NS ns2.d-zone.ca.
les.net. 5 NS ns1.d-zone.ca.
les.net. 5 NS ns4.les.net.
les.net. 5 NS ns1.les.net.
les.net. 5 NS ns2.les.net.
les.net. 5 NS ns3.les.net.
Authority
The response has no authority records.
Additional
ns1.les.net. 5 A 208.81.7.165
ns1.d-zone.ca. 5 A 162.219.54.2
ns2.les.net. 5 A 199.87.154.88
ns2.d-zone.ca. 5 A 162.219.55.2
ns3.les.net. 5 A 208.81.7.167
ns4.les.net. 5 A 199.87.154.90
ns1.les.net. 5 AAAA 2605:e200:53:12:0:0:0:53
ns1.d-zone.ca. 5 AAAA 2620:10a:80eb:0:0:0:0:2
ns2.les.net. 5 AAAA 2605:e200:53:16:0:0:0:53
ns2.d-zone.ca. 5 AAAA 2620:10a:80ec:0:0:0:0:2
ns3.les.net. 5 AAAA 2605:e200:53:14:0:0:0:53
ns4.les.net. 5 AAAA 2605:e200:53:18:0:0:0:53
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0