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

Non-authoritative answer:
www.edx.org	canonical name = d138fcv3w3oi8n.cloudfront.net.
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 108.156.107.80
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 108.156.107.95
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 108.156.107.117
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 108.156.107.85
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:b000:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:5600:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:d200:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:ba00:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:d800:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:2a00:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:4800:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:6a00:1d:9071:55c0:93a1