shell:$ nslookup -timeout=2 -retry=1 'www.univ-constantine2.dz'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.univ-constantine2.dz	canonical name = univ-constantine2.dz.
Name:	univ-constantine2.dz
Address: 197.140.11.224