shell:$ nslookup -timeout=2 -retry=1 'image.mail.c6bank.com.br'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	image.mail.c6bank.com.br
Address: 162.159.152.26
Name:	image.mail.c6bank.com.br
Address: 162.159.153.238