shell:$ nslookup -timeout=2 -retry=1 'smtp.gmail.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	smtp.gmail.com
Address: 74.125.197.109
Name:	smtp.gmail.com
Address: 2607:f8b0:4020:c0b::6c