shell:$ nslookup -timeout=2 -retry=1 'cn-dc1.uber.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
cn-dc1.uber.com	canonical name = cn-neg.cfe.uber.com.
Name:	cn-neg.cfe.uber.com
Address: 69.48.216.7