shell:$ nslookup -timeout=2 -retry=1 'empresas.planostim.com.br'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
empresas.planostim.com.br	canonical name = ecc04e92f08b483798ad5114ffe73595.unbouncepages.com.
Name:	ecc04e92f08b483798ad5114ffe73595.unbouncepages.com
Address: 104.18.34.21
Name:	ecc04e92f08b483798ad5114ffe73595.unbouncepages.com
Address: 172.64.153.235