shell:$ nslookup -timeout=2 -retry=1 'ib.isappcloud.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	ib.isappcloud.com
Address: 13.33.252.108
Name:	ib.isappcloud.com
Address: 13.33.252.61
Name:	ib.isappcloud.com
Address: 13.33.252.93
Name:	ib.isappcloud.com
Address: 13.33.252.68