Apex domains cannot have CNAME records.
Question and response
Question
dig as26935.network. NS
Answer
as26935.network. 4 NS ns1.noelcomm.com.
as26935.network. 4 NS ns3.as20055.net.
as26935.network. 4 NS ns1.as20055.net.
as26935.network. 4 NS ns2.as20055.net.
Authority
The response has no authority records.
Additional
ns1.as20055.net. 4 A 137.83.56.1
ns2.as20055.net. 4 A 137.83.56.2
ns3.as20055.net. 4 A 168.245.136.216
ns1.as20055.net. 4 AAAA 2001:506:39:0:0:0:0:1
ns2.as20055.net. 4 AAAA 2001:506:39:0:0:0:0:2
ns3.as20055.net. 4 AAAA 2604:7fc0:0:6:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0