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: 108.156.172.96
Name:	sparkpostmail.com
Address: 108.156.172.22
Name:	sparkpostmail.com
Address: 108.156.172.83
Name:	sparkpostmail.com
Address: 108.156.172.38