shell:$ nslookup -timeout=2 -retry=1 'www.tripadvisor.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.tripadvisor.com	canonical name = d2wb3gpo9o7ows.cloudfront.net.
Name:	d2wb3gpo9o7ows.cloudfront.net
Address: 18.160.249.84
Name:	d2wb3gpo9o7ows.cloudfront.net
Address: 18.160.249.107
Name:	d2wb3gpo9o7ows.cloudfront.net
Address: 18.160.249.80
Name:	d2wb3gpo9o7ows.cloudfront.net
Address: 18.160.249.8