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

Non-authoritative answer:
Name:	portal.ispname.com
Address: 72.14.178.174
Name:	portal.ispname.com
Address: 45.33.30.197
Name:	portal.ispname.com
Address: 45.56.79.23
Name:	portal.ispname.com
Address: 45.33.23.183
Name:	portal.ispname.com
Address: 198.58.118.167
Name:	portal.ispname.com
Address: 45.33.20.235
Name:	portal.ispname.com
Address: 45.33.2.79
Name:	portal.ispname.com
Address: 173.255.194.134
Name:	portal.ispname.com
Address: 72.14.185.43
Name:	portal.ispname.com
Address: 96.126.123.244
Name:	portal.ispname.com
Address: 45.79.19.196
Name:	portal.ispname.com
Address: 45.33.18.44