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: 108.156.107.95
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 108.156.107.85
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 108.156.107.80
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 108.156.107.117
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:2800:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:f200:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:400:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:f600:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:be00:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:1e00:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:2200:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:2350:9000:1d:9071:55c0:93a1