shell:$ nslookup -timeout=2 -retry=1 'www.elearning.ensc.dz'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
www.elearning.ensc.dz	canonical name = serv11.ensc.dz.
Name:	serv11.ensc.dz
Address: 41.111.179.28