shell:$ nslookup -timeout=2 -retry=1 'flex.tim.com.br'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
flex.tim.com.br	canonical name = 29iqwp2.impervadns.net.
Name:	29iqwp2.impervadns.net
Address: 45.60.108.22