shell:$ nslookup -timeout=2 -retry=1 'signin.samsungknox.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	signin.samsungknox.com
Address: 18.160.213.54
Name:	signin.samsungknox.com
Address: 18.160.213.84
Name:	signin.samsungknox.com
Address: 18.160.213.44
Name:	signin.samsungknox.com
Address: 18.160.213.20
Name:	signin.samsungknox.com
Address: 2600:9000:24d2:8e00:12:78c2:8b80:93a1
Name:	signin.samsungknox.com
Address: 2600:9000:24d2:a200:12:78c2:8b80:93a1
Name:	signin.samsungknox.com
Address: 2600:9000:24d2:1a00:12:78c2:8b80:93a1
Name:	signin.samsungknox.com
Address: 2600:9000:24d2:c600:12:78c2:8b80:93a1
Name:	signin.samsungknox.com
Address: 2600:9000:24d2:6400:12:78c2:8b80:93a1
Name:	signin.samsungknox.com
Address: 2600:9000:24d2:c800:12:78c2:8b80:93a1
Name:	signin.samsungknox.com
Address: 2600:9000:24d2:1000:12:78c2:8b80:93a1
Name:	signin.samsungknox.com
Address: 2600:9000:24d2:f600:12:78c2:8b80:93a1