old_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  # coding=utf-8
  
  """
  Misc. utility routines
  """
  
  import dns.resolver as resolver
  
  import logging
  import logging.handlers
  
  log = logging.getLogger("DNSresolver")
  log.setLevel(logging.INFO)
  
  __all__ = ['srvlookup']
  
  
  def srvlookup(server):
      """
      Perform a SRV lookup of 'server' and return its hostname and port.
      """
      try:
          response = resolver.query(server, 'SRV')
          host = response[0].target.to_text()
          port = response[0].port
      except Exception as e:
          # we'll be lenient and just return None if there's an issue
          log.warning(f"Problem looking up {server} via DNS: {e}")
          host = None
          port = None
  
      return host, port
  
new_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  # coding=utf-8
  
  """
  Misc. utility routines
  """
  
  import dns.resolver as resolver
  
  import logging
  import logging.handlers
  
  log = logging.getLogger("DNSresolver")
  log.setLevel(logging.INFO)
  
  __all__ = ['srvlookup']
  
  
  def srvlookup(server):
      """
      Perform a SRV lookup of 'server' and return its hostname and port.
      """
      try:
          response = resolver.resolve(server, 'SRV')
          host = response[0].target.to_text()
          port = response[0].port
      except Exception as e:
          # we'll be lenient and just return None if there's an issue
          log.warning(f"Problem looking up {server} via DNS: {e}")
          host = None
          port = None
  
      return host, port
  
subject: revert change to srv resolution; had old dnspython installed locally