Apex domains cannot have CNAME records.
Question and response
Question
dig rowdir.com. NS
Answer
rowdir.com. 3 NS ns2.rowdir.com.
rowdir.com. 3 NS ns1.rowdir.com.
Authority
The response has no authority records.
Additional
ns1.rowdir.com. 3 A 5.196.97.98
ns2.rowdir.com. 3 A 66.181.45.158
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0