docs: def dns():
      '''
      Parse the resolver configuration file
  
       .. versionadded:: 2016.3.0
      '''
      # Provides:
      #   dns
      if salt.utils.platform.is_windows() or 'proxyminion' in __opts__:
          return {}
  
      resolv = salt.utils.dns.parse_resolv()
      for key in ('nameservers', 'ip4_nameservers', 'ip6_nameservers',
                  'sortlist'):
          if key in resolv:
              resolv[key] = [six.text_type(i) for i in resolv[key]]
  
      return {'dns': resolv} if resolv else {}