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: 3.160.22.43
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 3.160.22.3
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 3.160.22.122
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 3.160.22.95
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:25f3:4600:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:25f3:9400:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:25f3:7600:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:25f3:4000:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:25f3:1800:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:25f3:e400:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:25f3:9200:1d:9071:55c0:93a1
Name:	d138fcv3w3oi8n.cloudfront.net
Address: 2600:9000:25f3:6200:1d:9071:55c0:93a1