shell:$ nslookup -timeout=2 -retry=1 'app.tessell.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	app.tessell.com
Address: 3.169.149.90
Name:	app.tessell.com
Address: 3.169.149.40
Name:	app.tessell.com
Address: 3.169.149.122
Name:	app.tessell.com
Address: 3.169.149.66