shell:$ nslookup -timeout=2 -retry=1 'id.duolingo.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	id.duolingo.com
Address: 98.89.138.151
Name:	id.duolingo.com
Address: 98.85.90.55
Name:	id.duolingo.com
Address: 34.238.179.202
Name:	id.duolingo.com
Address: 44.215.53.101
Name:	id.duolingo.com
Address: 50.17.114.203
Name:	id.duolingo.com
Address: 3.212.28.87
Name:	id.duolingo.com
Address: 98.89.218.37
Name:	id.duolingo.com
Address: 54.208.57.9