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

Non-authoritative answer:
Name:	www.univ-eloued.dz
Address: 172.67.72.183
Name:	www.univ-eloued.dz
Address: 104.26.11.237
Name:	www.univ-eloued.dz
Address: 104.26.10.237
Name:	www.univ-eloued.dz
Address: 2606:4700:20::681a:bed
Name:	www.univ-eloued.dz
Address: 2606:4700:20::ac43:48b7
Name:	www.univ-eloued.dz
Address: 2606:4700:20::681a:aed