shell:$ nslookup -timeout=2 -retry=1 'alt4.aspmx.l.google.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	alt4.aspmx.l.google.com
Address: 64.233.178.27
Name:	alt4.aspmx.l.google.com
Address: 2607:f8b0:4020:c07::1b