shell:$ nslookup -timeout=2 -retry=1 'www.unsj.edu.ar'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.unsj.edu.ar	canonical name = vmseccom.unsj.edu.ar.
Name:	vmseccom.unsj.edu.ar
Address: 190.124.224.11