shell:$ nslookup -timeout=2 -retry=1 'www.americanexpress.lk'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.americanexpress.lk	canonical name = giaj3no.ng.impervadns.net.
Name:	giaj3no.ng.impervadns.net
Address: 45.60.196.87