Filtering internet access using norton dns, How can I report porn sites?

Hi

I am using  norton dns (198.153.192.50,198.153.194.50) to block porn sites at school network.

I would like to report a porn site, PlayBoy's Israely site http://www.playboy.co.il is NOT blocked;

is ther a form where I can submit porn sites to Norton dns?

thanks