shell:$ nslookup -timeout=2 -retry=1 'tradil.univ-annaba.dz'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
tradil.univ-annaba.dz	canonical name = labs.univ-annaba.dz.
Name:	labs.univ-annaba.dz
Address: 41.111.198.112