shell:$ nslookup -timeout=2 -retry=1 'www.duziseo.com'
;; communications error to 75.98.161.224#53: timed out
Server:		69.39.86.5
Address:	69.39.86.5#53

Non-authoritative answer:
www.duziseo.com	canonical name = hk835.pc51.com.
Name:	hk835.pc51.com
Address: 156.240.122.104