shell:$ nslookup -timeout=2 -retry=1 'mail.im3.co'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
mail.im3.co	canonical name = pop.secureserver.net.
pop.secureserver.net	canonical name = pop.vox.secureserver.net.
pop.vox.secureserver.net	canonical name = pop.us-phx.vox.secureserver.net.
Name:	pop.us-phx.vox.secureserver.net
Address: 216.69.141.90
Name:	pop.us-phx.vox.secureserver.net
Address: 216.69.141.121
Name:	pop.us-phx.vox.secureserver.net
Address: 216.69.141.86