Apex domains cannot have CNAME records.
Question and response
Question
dig secure22.com. NS
Answer
secure22.com. 2 NS ns1.secure22.com.
secure22.com. 2 NS ns3.secure22.com.
secure22.com. 2 NS ns2.secure22.com.
Authority
The response has no authority records.
Additional
ns1.secure22.com. 2 A 44.233.102.115
ns2.secure22.com. 2 A 52.208.174.36
ns3.secure22.com. 2 A 54.254.83.167
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0