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

Non-authoritative answer:
Name:	sproutsocial.com
Address: 18.160.213.84
Name:	sproutsocial.com
Address: 18.160.213.59
Name:	sproutsocial.com
Address: 18.160.213.92
Name:	sproutsocial.com
Address: 18.160.213.56