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

Non-authoritative answer:
Name:	support.duolingo.com
Address: 54.86.198.230
Name:	support.duolingo.com
Address: 3.220.92.22
Name:	support.duolingo.com
Address: 34.192.68.233
Name:	support.duolingo.com
Address: 54.243.73.8
Name:	support.duolingo.com
Address: 54.152.153.217
Name:	support.duolingo.com
Address: 34.207.52.142
Name:	support.duolingo.com
Address: 3.224.158.253
Name:	support.duolingo.com
Address: 13.223.115.147