results = {}
rednet.broadcast({
sType = "lookup",
sProtocol = "tomfoolery",
sHostname = "pocket"
})
local timer = os.startTimer(1)
while true do
    local event,p1,p2,p3 = os.pullEvent()
    if event == "rednet_message" then
        local sender, message, message_protocol = p1,p2,p3
        print(sender, message, message_protocol)
        if 
            message_protocol == "dns" and 
            type(message) == "table" and 
            message.sType == "lookup response"
        then
            if message.sProtocol == "tomfoolery" then
                if hostname == nil then
                    print(sender)
                    table.insert(results,{sender,message.sHostname})
                elseif message.sHostname == hostname then
                    os.cancelTimer(timer)
                    print(sender)
                    return sender
                end
            end
        end   
    elseif event == "timer" and p1 == timer then
        break
    end
end
return results