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

Non-authoritative answer:
Name:	id.duolingo.com
Address: 52.5.253.161
Name:	id.duolingo.com
Address: 52.71.35.215
Name:	id.duolingo.com
Address: 52.205.94.58
Name:	id.duolingo.com
Address: 34.193.5.103
Name:	id.duolingo.com
Address: 204.236.224.126
Name:	id.duolingo.com
Address: 34.197.44.209
Name:	id.duolingo.com
Address: 18.207.13.21
Name:	id.duolingo.com
Address: 44.221.197.88