}
        long now = System.currentTimeMillis();
        int retry = 1;

        do {
            if ( this.dcListExpiration < now ) {
                Address[] list = getTransportContext().getNameServiceClient().getNbtAllByName(domain, 0x1C, null, null);
                this.dcListExpiration = now + this.netbiosCacheTimeout * 1000L;
                if ( list != null && list.length > 0 ) {
                    this.dcList = list;