Apex domains cannot have CNAME records.
Question and response
Question
dig ossds.com. NS
Answer
ossds.com. 5 NS ns2.ossds.com.
ossds.com. 5 NS ns1.ossds.com.
Authority
The response has no authority records.
Additional
ns1.ossds.com. 5 A 192.74.220.34
ns2.ossds.com. 5 A 192.74.220.38
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0