Apex domains cannot have CNAME records.
Question and response
Question
dig ntq.info. NS
Answer
ntq.info. 5 NS ns-fra.ntq.info.
ntq.info. 5 NS ns.ntf-server.net.
ntq.info. 5 NS ns2.ntq.info.
Authority
The response has no authority records.
Additional
ns2.ntq.info. 5 A 144.76.5.30
ns-fra.ntq.info. 5 A 178.63.85.254
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0