shell:$ nslookup -timeout=2 -retry=1 'www.rouiba.com.dz'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.rouiba.com.dz	canonical name = rouiba.com.dz.
Name:	rouiba.com.dz
Address: 197.140.11.3