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

Non-authoritative answer:
www.kayak.com	canonical name = kayak.r9cdn.net.
kayak.r9cdn.net	canonical name = dualstack.kayak.map.fastly.net.
Name:	dualstack.kayak.map.fastly.net
Address: 151.101.193.29
Name:	dualstack.kayak.map.fastly.net
Address: 151.101.129.29
Name:	dualstack.kayak.map.fastly.net
Address: 151.101.65.29
Name:	dualstack.kayak.map.fastly.net
Address: 151.101.1.29
Name:	dualstack.kayak.map.fastly.net
Address: 2a04:4e42::285
Name:	dualstack.kayak.map.fastly.net
Address: 2a04:4e42:400::285
Name:	dualstack.kayak.map.fastly.net
Address: 2a04:4e42:200::285
Name:	dualstack.kayak.map.fastly.net
Address: 2a04:4e42:600::285