Apex domains cannot have CNAME records.
Question and response
Question
dig deepbase.name. NS
Answer
deepbase.name. 5 NS ns1.deepbase.name.
deepbase.name. 5 NS ns3.deepbase.name.
deepbase.name. 5 NS ns2.deepbase.name.
Authority
The response has no authority records.
Additional
ns1.deepbase.name. 5 A 49.13.241.162
ns2.deepbase.name. 5 A 167.233.2.98
ns3.deepbase.name. 5 A 49.13.241.163
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0