shell:$ nslookup -timeout=2 -retry=1 'www.arab-csr.org'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.arab-csr.org	canonical name = arab-csr.org.
Name:	arab-csr.org
Address: 91.223.82.8