shell:$ nslookup -timeout=2 -retry=1 'allaccess.web.udacity.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	allaccess.web.udacity.com
Address: 13.249.141.117
Name:	allaccess.web.udacity.com
Address: 13.249.141.88
Name:	allaccess.web.udacity.com
Address: 13.249.141.23
Name:	allaccess.web.udacity.com
Address: 13.249.141.25
Name:	allaccess.web.udacity.com
Address: 2600:9000:25f4:2a00:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:25f4:8600:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:25f4:f600:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:25f4:5e00:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:25f4:e00:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:25f4:f400:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:25f4:c800:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:25f4:5800:11:7c97:dbc0:93a1