shell:$ nslookup -timeout=2 -retry=1 'www.duo.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	www.duo.com
Address: 3.167.183.23
Name:	www.duo.com
Address: 3.167.183.25
Name:	www.duo.com
Address: 3.167.183.93
Name:	www.duo.com
Address: 3.167.183.70