Fix nameserver format (iphelix/dnschef#25)

Author: byt3bl33d3r

dnschef/kitchen.py

@@ -4,6 +4,7 @@
 from ipaddress import ip_address
 from typing import List
 
+import re
 import socket
 import asyncio
 import functools
@@ -180,7 +181,7 @@ def datagram_received(self, data, addr):
                 else:
                     logger.info(f"proxying response", type=qtype, name=qname)
 
-                    nameserver_tuple = random.choice(self.nameservers).split('#')
+                    nameserver_tuple = re.split('[:#]', random.choice(self.nameservers))
 
                     task = asyncio.create_task(proxyrequest(data, *nameserver_tuple))
                     task.add_done_callback(functools.partial(lambda c, t, a: t.sendto(c.result(), a), t=self.transport, a=addr))