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

Non-authoritative answer:
www.mastercard.com	canonical name = www.mastercard.com.edgekey.net.
www.mastercard.com.edgekey.net	canonical name = e5188.x.akamaiedge.net.
Name:	e5188.x.akamaiedge.net
Address: 23.198.79.154