Apex domains cannot have CNAME records.
Question and response
Question
dig ca-dreams.com. NS
Answer
ca-dreams.com. 5 NS ns3.isi.edu.
ca-dreams.com. 5 NS ns2.isi.edu.
ca-dreams.com. 5 NS ns4.isi.edu.
Authority
The response has no authority records.
Additional
ns2.isi.edu. 5 A 128.9.40.13
ns3.isi.edu. 5 A 128.9.49.6
ns4.isi.edu. 5 A 128.9.40.14
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0