Apex domains cannot have CNAME records.
Question and response
Question
dig eoh-ns.net. NS
Answer
eoh-ns.net. 2 NS ns1.ensync.net.
eoh-ns.net. 2 NS ns3.ensync.net.
eoh-ns.net. 2 NS ns2.ensync.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0