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

Non-authoritative answer:
www.rt.com	canonical name = en.wpc.rt.com.
Name:	en.wpc.rt.com
Address: 89.191.237.192
Name:	en.wpc.rt.com
Address: 91.215.41.4