shell:$ nslookup -timeout=2 -retry=1 'e.dialog.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
e.dialog.net	canonical name = email.secureserver.net.
Name:	email.secureserver.net
Address: 76.223.17.250
Name:	email.secureserver.net
Address: 15.197.155.180