Apex domains cannot have CNAME records.
Question and response
Question
dig opie.securedserverspace.com. NS
Answer
opie.securedserverspace.com. 5 NS ns1.securedserverspace.com.
opie.securedserverspace.com. 5 NS ns2.securedserverspace.com.
Authority
The response has no authority records.
Additional
ns1.securedserverspace.com. 5 A 38.58.228.250
ns2.securedserverspace.com. 5 A 38.58.229.250
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0