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

Non-authoritative answer:
www.btc.com	canonical name = d3hes2us4bieq5.cloudfront.net.
Name:	d3hes2us4bieq5.cloudfront.net
Address: 54.192.55.10
Name:	d3hes2us4bieq5.cloudfront.net
Address: 54.192.55.114
Name:	d3hes2us4bieq5.cloudfront.net
Address: 54.192.55.35
Name:	d3hes2us4bieq5.cloudfront.net
Address: 54.192.55.22
Name:	d3hes2us4bieq5.cloudfront.net
Address: 2600:9000:200e:5000:2:4535:8340:93a1
Name:	d3hes2us4bieq5.cloudfront.net
Address: 2600:9000:200e:4800:2:4535:8340:93a1
Name:	d3hes2us4bieq5.cloudfront.net
Address: 2600:9000:200e:fc00:2:4535:8340:93a1
Name:	d3hes2us4bieq5.cloudfront.net
Address: 2600:9000:200e:f400:2:4535:8340:93a1
Name:	d3hes2us4bieq5.cloudfront.net
Address: 2600:9000:200e:600:2:4535:8340:93a1
Name:	d3hes2us4bieq5.cloudfront.net
Address: 2600:9000:200e:3000:2:4535:8340:93a1
Name:	d3hes2us4bieq5.cloudfront.net
Address: 2600:9000:200e:6400:2:4535:8340:93a1
Name:	d3hes2us4bieq5.cloudfront.net
Address: 2600:9000:200e:e200:2:4535:8340:93a1