What IP address should I use to allow your validation bot access through my firewall?

Here is the IP address for our Backlinks.com validation bot:

Main server:

Name: svr.backlinks.com
Address: 67.192.60.162

Our bot:

Name: backlinks.com
Address: 74.205.97.194

You can view this article online at:
http://www.backlinks.com/kb/index.php/article/ip-address-firewall