hi! i stumbled upon your site while looking for remedies to the problem i'm currently having with one of our office pc. it's actually the server pc, we have 3 pc's here in the office and one laptop. this server pc is directly attached to the router.. well anyways, just this morning, i have logged on to the yahoo messenger using that pc and then later around lunch time, i tried to open my email account still with the same pc... but while clicking on the mail icon on yahoo's page and even typing yahoomail.com on the address bar, it doesn't direct me to the yahoo mail log in page but it redirects in this opendns site where it states that the site that i'm visiting is blocked in the network. but how com the other pc's and the laptop can log in to the same site that i would like to go to. can u help me? pls pls pls....