Apex domains cannot have CNAME records.
Question and response
Question
dig emsincorperated.com. NS
Answer
emsincorperated.com. 5 NS ns1.emsincorperated.com.
emsincorperated.com. 5 NS ns2.emsincorperated.com.
Authority
The response has no authority records.
Additional
ns1.emsincorperated.com. 5 A 193.34.212.22
ns2.emsincorperated.com. 5 A 193.34.212.157
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0