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

Non-authoritative answer:
Name:	ib.isappcloud.com
Address: 18.160.225.126
Name:	ib.isappcloud.com
Address: 18.160.225.6
Name:	ib.isappcloud.com
Address: 18.160.225.84
Name:	ib.isappcloud.com
Address: 18.160.225.57