Apex domains cannot have CNAME records.
Question and response
Question
dig mada.ps. NS
Answer
mada.ps. 5 NS dns5.mada-alarab.com.
mada.ps. 5 NS dns6.mada-alarab.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0