// (function (exports) { 'use strict'; var rcodes = exports.DNS_RCODES = { SUCCESS: 0x00 // 0 , NXDOMAIN: 0x03 // 3 , REFUSED: 0x05 // 5 }; // and in reverse Object.keys(rcodes).forEach(function (key) { rcodes[rcodes[key]] = key; }); // }('undefined' !== typeof window ? window : exports));