shell:$ nslookup -timeout=2 -retry=1 '189-94-172-47.3g.claro.net.br'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	189-94-172-47.3g.claro.net.br
Address: 189.94.172.47