Apex domains cannot have CNAME records.
Question and response
Question
dig scrtc.com. NS
Answer
scrtc.com. 2 NS ns1.blue.net.
scrtc.com. 2 NS ns1.scrtc.com.
scrtc.com. 2 NS ns2.blue.net.
Authority
The response has no authority records.
Additional
ns1.scrtc.com. 2 A 66.38.1.94
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0