bba-2-50-20-143.alshamil.net.ae has no CNAME records.
Question and response
Question
dig bba-2-50-20-143.alshamil.net.ae. NS
Answer
The response has no answer records.
Authority
alshamil.net.ae. 757 SOA ns1.etisalatdomains.ae. send.mail.2.dns.at.ies.etisalat.ae. 2020086585 180 3600 2419200 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0