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

Non-authoritative answer:
viewpoints.fb.com	canonical name = d1y74ldnuuka58.cloudfront.net.
Name:	d1y74ldnuuka58.cloudfront.net
Address: 108.156.172.123
Name:	d1y74ldnuuka58.cloudfront.net
Address: 108.156.172.26
Name:	d1y74ldnuuka58.cloudfront.net
Address: 108.156.172.51
Name:	d1y74ldnuuka58.cloudfront.net
Address: 108.156.172.28
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:b000:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:7200:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:6a00:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:5400:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:2600:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:ae00:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:0:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:8200:12:9dcd:9700:93a1