shell:$ nslookup -timeout=2 -retry=1 'docker.io'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	docker.io
Address: 3.234.238.147
Name:	docker.io
Address: 3.223.69.48
Name:	docker.io
Address: 32.192.16.228
Name:	docker.io
Address: 2600:1f18:2148:bc00:d16c:f1e3:a9c5:e342
Name:	docker.io
Address: 2600:1f18:2148:bc01:aeea:df59:5583:425f
Name:	docker.io
Address: 2600:1f18:2148:bc02:c4d2:4849:4315:e77a