shell:$ nslookup -timeout=2 -retry=1 'portal.movistar.co'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
portal.movistar.co	canonical name = portal-movistar-co.bemobi.com.
Name:	portal-movistar-co.bemobi.com
Address: 107.23.141.53
Name:	portal-movistar-co.bemobi.com
Address: 54.86.198.181
Name:	portal-movistar-co.bemobi.com
Address: 54.209.35.145
Name:	portal-movistar-co.bemobi.com
Address: 3.212.69.100