shell:$ nslookup -timeout=2 -retry=1 'layer23-switch.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	layer23-switch.com
Address: 172.66.41.37
Name:	layer23-switch.com
Address: 172.66.42.219
Name:	layer23-switch.com
Address: 2606:4700:3108::ac42:2adb
Name:	layer23-switch.com
Address: 2606:4700:3108::ac42:2925