Apex domains cannot have CNAME records.
Question and response
Question
dig sissymeet.com. NS
Answer
sissymeet.com. 5 NS ns1.sissymeet.com.
sissymeet.com. 5 NS ns2.sissymeet.com.
Authority
The response has no authority records.
Additional
ns1.sissymeet.com. 5 A 208.122.200.165
ns2.sissymeet.com. 5 A 208.122.203.186
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0