shell:$ nslookup -timeout=2 -retry=1 'knoxservices.secb2b.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
knoxservices.secb2b.com	canonical name = d2k9k5ewvdxj1a.cloudfront.net.
Name:	d2k9k5ewvdxj1a.cloudfront.net
Address: 54.192.55.43
Name:	d2k9k5ewvdxj1a.cloudfront.net
Address: 54.192.55.89
Name:	d2k9k5ewvdxj1a.cloudfront.net
Address: 54.192.55.38
Name:	d2k9k5ewvdxj1a.cloudfront.net
Address: 54.192.55.49