shell:$ nslookup -timeout=2 -retry=1 'auth1.tim.com.br'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
auth1.tim.com.br	canonical name = 4wmn6a3.impervadns.net.
Name:	4wmn6a3.impervadns.net
Address: 45.60.63.22