code: def _create_record(self, rtype, name, content):
          
          opts = {'domain': self._domain, 'type': rtype.upper(),
                  'name': self._full_name(name), 'content': content}
          if self._get_lexicon_option('ttl'):
              opts['ttl'] = self._get_lexicon_option('ttl')
          opts.update(self._auth)
  
          response = self._api.nameserver.createRecord(opts)
          self._validate_response(
              response=response, message='Failed to create record',
              exclude_code=2302)
  
          return True
docs: create a record
          does nothing if the record already exists
  
          :param str rtype: type of record
          :param str name: name of record
          :param mixed content: value of record
          :return bool: success status
          :raises Exception: on error