lib/core.js
function(next) {
            if (options.noDns || core.noDns) return next();
            core.loadDnsConfig(options, next);
        }
function(next) {
            if (options.noDns || core.noDns) return next();
            core.loadDnsConfig(options, next);
        }
function ( next ) { if ( options . noDns || core . noDns ) return next ( ) ; core . loadDnsConfig ( options , next ) ; }
Load config params from the DNS TXT records, only the ones marked as dns
Load config params from the DNS TXT records only the ones marked as dns