shell:$ nslookup -timeout=2 -retry=1 'bounce.mail.planos.tim.com.br'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
bounce.mail.planos.tim.com.br	canonical name = sparkpostmail.com.
Name:	sparkpostmail.com
Address: 18.160.225.49
Name:	sparkpostmail.com
Address: 18.160.225.101
Name:	sparkpostmail.com
Address: 18.160.225.115
Name:	sparkpostmail.com
Address: 18.160.225.28