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

Non-authoritative answer:
viewpoints.fb.com	canonical name = d1y74ldnuuka58.cloudfront.net.
Name:	d1y74ldnuuka58.cloudfront.net
Address: 18.64.183.74
Name:	d1y74ldnuuka58.cloudfront.net
Address: 18.64.183.97
Name:	d1y74ldnuuka58.cloudfront.net
Address: 18.64.183.8
Name:	d1y74ldnuuka58.cloudfront.net
Address: 18.64.183.36
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:c600:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:9200:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:600:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:4a00:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:fe00:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:3800:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:800:12:9dcd:9700:93a1
Name:	d1y74ldnuuka58.cloudfront.net
Address: 2600:9000:24d1:dc00:12:9dcd:9700:93a1