Pasted

local index_domains = {
  [1] = "2",
  [2] = "www.domain.com",
  [3] = "www.guggle.com"
}
print(textutils.serialise(index_domains))
rednet.open("top")
while true do
  id,message = rednet.receive()
  print("---------------------------------------")
  print(id.." "..message)
  if message == nil then
    --Do Nothn'
    print("nil")
  else
    print("For loop INIT...")
    local send_stat = false
    for i=1,#index_domains do
      print("For loop at:"..i)
      print("val = "..index_domains[i])
      if (index_domains[i] == message) then
        rednet.send(id,i)
        print("Send: "..i)
        send_stat = true
        break
      else
        
      end
    end
    if (send_stat == false) then
      rednet.send(id,"false")
      print("Send: FALSE")
    end
  end
end