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

Non-authoritative answer:
Name:	www.riyadonline.com
Address: 195.85.224.10
;; communications error to 75.98.161.224#53: timed out