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

Non-authoritative answer:
Name:	adminapp.checkbox.com
Address: 3.167.152.4
Name:	adminapp.checkbox.com
Address: 3.167.152.16
Name:	adminapp.checkbox.com
Address: 3.167.152.83
Name:	adminapp.checkbox.com
Address: 3.167.152.118