Apex domains cannot have CNAME records.
Question and response
Question
dig torrentmobile170.com. NS
Answer
torrentmobile170.com. 5 NS ns-912.awsdns-50.net.
torrentmobile170.com. 5 NS ns-738.awsdns-28.net.
torrentmobile170.com. 5 NS ns-1383.awsdns-44.org.
torrentmobile170.com. 5 NS ns-1145.awsdns-15.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0