Completate effettivamente la richiesta.

diff --git a/pywhoisd.py b/pywhoisd.py
index 4c92128..279ce95 100755
--- a/pywhoisd.py
+++ b/pywhoisd.py
@@ -97,6 +97,7 @@ class WhoisRequestHandler(SocketServer.StreamRequestHandler):
             response += resolve_domain(request)

         self.request.send (response)
+        return

 class Net():