shell:$ nslookup -timeout=2 -retry=1 'www.entrust.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.entrust.net	canonical name = www.entrust.net.akadns.net.
Name:	www.entrust.net.akadns.net
Address: 72.140.233.41