def dns_rr(self, ips):
        """Get the domains related to input domains.

        Args:
            domains: an enumerable of strings as domains
        Returns:
            An enumerable of resource records and features
        """
        api_name = 'opendns-dns_rr'
        fmt_url_path = u'dnsdb/name/a/{0}.json'
        return self._multi_get(api_name, fmt_url_path, ips)