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

Non-authoritative answer:
guard.samsungknox.com	canonical name = ds054d3mcbj9m.cloudfront.net.
Name:	ds054d3mcbj9m.cloudfront.net
Address: 108.156.170.129
Name:	ds054d3mcbj9m.cloudfront.net
Address: 2600:9000:24f7:fc00:1b:3112:9288:7a61
Name:	ds054d3mcbj9m.cloudfront.net
Address: 2600:9000:24f7:aa00:1b:3112:9288:7a61
Name:	ds054d3mcbj9m.cloudfront.net
Address: 2600:9000:24f7:800:1b:3112:9288:7a61
Name:	ds054d3mcbj9m.cloudfront.net
Address: 2600:9000:24f7:2200:1b:3112:9288:7a61
Name:	ds054d3mcbj9m.cloudfront.net
Address: 2600:9000:24f7:3e00:1b:3112:9288:7a61
Name:	ds054d3mcbj9m.cloudfront.net
Address: 2600:9000:24f7:3c00:1b:3112:9288:7a61
Name:	ds054d3mcbj9m.cloudfront.net
Address: 2600:9000:24f7:b200:1b:3112:9288:7a61
Name:	ds054d3mcbj9m.cloudfront.net
Address: 2600:9000:24f7:b800:1b:3112:9288:7a61