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: 13.249.141.25
Name:	allaccess.web.udacity.com
Address: 13.249.141.88
Name:	allaccess.web.udacity.com
Address: 13.249.141.117
Name:	allaccess.web.udacity.com
Address: 13.249.141.23
Name:	allaccess.web.udacity.com
Address: 2600:9000:212f:4400:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:212f:3c00:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:212f:6600:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:212f:8a00:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:212f:cc00:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:212f:2a00:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:212f:d000:11:7c97:dbc0:93a1
Name:	allaccess.web.udacity.com
Address: 2600:9000:212f:a800:11:7c97:dbc0:93a1