shell:$ nslookup -timeout=2 -retry=1 'feedback.ooredoo.dz'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
feedback.ooredoo.dz	canonical name = www.mtrcs.io.
www.mtrcs.io	canonical name = mtrcs.io.
Name:	mtrcs.io
Address: 40.119.165.154