Parse a missing-zonefiles vector given by the domain.
        Returns the list of zone file indexes on success
        Raises ParseError on unparseable records

def parse_subdomain_missing_zonefiles_record(cls, rec):
        """
        Parse a missing-zonefiles vector given by the domain.
        Returns the list of zone file indexes on success
        Raises ParseError on unparseable records
        """
        txt_entry = rec['txt']
        if isinstance(txt_entry, list):
            raise ParseError("TXT entry too long for a missing zone file list")

        try:
            return [int(i) for i in txt_entry.split(',')] if txt_entry is not None and len(txt_entry) > 0 else []
        except ValueError:
            raise ParseError('Invalid integers')