shell:$ nslookup -timeout=2 -retry=1 'barra.brasil.gov.br'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
barra.brasil.gov.br	canonical name = a561c4ff9be424fabb2e7987f5c75dc3-57e4619c4bae0435.elb.sa-east-1.amazonaws.com.
Name:	a561c4ff9be424fabb2e7987f5c75dc3-57e4619c4bae0435.elb.sa-east-1.amazonaws.com
Address: 54.94.91.200
Name:	a561c4ff9be424fabb2e7987f5c75dc3-57e4619c4bae0435.elb.sa-east-1.amazonaws.com
Address: 15.229.72.199
Name:	a561c4ff9be424fabb2e7987f5c75dc3-57e4619c4bae0435.elb.sa-east-1.amazonaws.com
Address: 54.233.226.96