shell:$ nslookup -timeout=2 -retry=1 'secure.cdn.fastclick.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
secure.cdn.fastclick.net	canonical name = secure.cdn.fastclick.net.edgekey.net.
secure.cdn.fastclick.net.edgekey.net	canonical name = e122633.d.akamaiedge.net.
Name:	e122633.d.akamaiedge.net
Address: 23.222.17.15
Name:	e122633.d.akamaiedge.net
Address: 23.222.17.7