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

Non-authoritative answer:
www.usthb.dz	canonical name = portail2023.usthb.dz.
Name:	portail2023.usthb.dz
Address: 41.106.128.70