Apex domains cannot have CNAME records.
Question and response
Question
dig oxiforms.com. NS
Answer
oxiforms.com. 4 NS ns.oxiforms.com.
oxiforms.com. 4 NS nssec.online.net.
Authority
The response has no authority records.
Additional
ns.oxiforms.com. 4 A 212.83.181.193
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0