Add 'additional' section to Request.

README.md

@@ -66,6 +66,7 @@ Request creation takes an object with the following fields
     * `type` -- a string indicating `udp` or `tcp` (optional, default `udp`)
 You do not need to indicate ipv4 or ipv6, the backend will handle that
   - a string ip address
+ * `additional` -- an array of Additional Resource Records (optional)
  * `timeout` -- a number in milliseconds indicating how long to wait for the
 request to finish. (optional, default 4000)
  * `try_edns` -- a boolean indicating whether to use an `EDNSPacket` (optional)

lib/client.js

@@ -52,6 +52,7 @@ var Request = exports.Request = function(opts) {
   if (!(this instanceof Request)) return new Request(opts);
 
   this.question = opts.question;
+  this.additional = opts.additional || [];
   this.server = opts.server;
 
   if (typeof(this.server) === 'string' || this.server instanceof String)

lib/pending.js

@@ -126,6 +126,7 @@ SocketQueue.prototype._dequeue = function() {
       }
 
       packet.question.push(req.question);
+      packet.additional.push.apply(packet.additional, req.additional);
       packet.send();
 
       this._ref();