code: def _list_records(self, rtype=None, name=None, content=None):
          
  
          filter_query = {}
          if rtype:
              filter_query["record_type"] = rtype
          if name:
              name = self._relative_name(name)
              filter_query["name"] = name
          payload = self._get(
              "/v1/domains/{0}/records".format(self.domain),
              query_params=filter_query,
          )
  
          records = []
          for data in payload:
              record = data["record"]
  
              if content and record["content"] != content:
                  continue
  
              if record["name"] == "":
                  rname = self.domain
              else:
                  rname = ".".join((record["name"], self.domain))
  
              processed_record = {
                  "type": record["record_type"],
                  "name": rname,
                  "ttl": record["ttl"],
                  "content": record["content"],
                  "id": record["id"],
              }
              if record["prio"]:
                  processed_record["options"] = {
                      "mx": {"priority": record["prio"]}
                  }
              records.append(processed_record)
  
          LOGGER.debug("list_records: %s", records)
          return records
docs: List all records.
  
          record_type, name and content are used to filter the records.
          If possible it filters during the query, otherwise afterwards.
          An empty list is returned if no records are found.