Apex domains cannot have CNAME records.
Question and response
Question
dig nyc-trading.com. NS
Answer
nyc-trading.com. 5 NS ns-1026.awsdns-00.org.
nyc-trading.com. 5 NS ns-484.awsdns-60.com.
nyc-trading.com. 5 NS ns-1755.awsdns-27.co.uk.
nyc-trading.com. 5 NS ns-1440.awsdns-52.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0