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Hello, are you trying to sign up for a second account, or what would you like us to do? Remove the dns entry so you can sign up? Or would you just like your old account link to your forums account?
I am telling you, even if you build your own proxy at my school you WILL NOT be able to use it, it will already be blocked, they block sites realtime. I dunno how, but they know whenever you visit a proxy site, even if you build your own proxy.