code: function (zone, callback) {
      var self = this,
          zoneId = zone instanceof dns.Zone ? zone.id : zone;
  
      self._request({
        path: urlJoin(_urlPrefix, zoneId)
      }, function (err, body, res) {
        return err
          ? callback(err)
          : callback(null, new dns.Zone(self, body), res);
      });
    }
docs: @name Client.getZone
  
  @description Gets the details for a specified zone id
  
  @param {String|object}       zone          the zone id of the requested zone
  @param {Function}            callback      handles the callback of your api call