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

Non-authoritative answer:
Name:	duo.com
Address: 3.171.38.19
Name:	duo.com
Address: 3.171.38.115
Name:	duo.com
Address: 3.171.38.67
Name:	duo.com
Address: 3.171.38.100