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

Non-authoritative answer:
auth.instiengage.com	canonical name = d1qs6g1uppzjpx.cloudfront.net.
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 18.154.185.127
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 18.154.185.39
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 18.154.185.117
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 18.154.185.25
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 2600:9000:24fd:1600:9:78a:e540:93a1
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 2600:9000:24fd:7400:9:78a:e540:93a1
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 2600:9000:24fd:c000:9:78a:e540:93a1
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 2600:9000:24fd:2e00:9:78a:e540:93a1
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 2600:9000:24fd:6200:9:78a:e540:93a1
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 2600:9000:24fd:d600:9:78a:e540:93a1
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 2600:9000:24fd:ae00:9:78a:e540:93a1
Name:	d1qs6g1uppzjpx.cloudfront.net
Address: 2600:9000:24fd:e000:9:78a:e540:93a1