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

Non-authoritative answer:
Name:	app.purechat.com
Address: 143.204.204.79
Name:	app.purechat.com
Address: 143.204.204.39
Name:	app.purechat.com
Address: 143.204.204.56
Name:	app.purechat.com
Address: 143.204.204.99