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-
- /**
- * Module dependencies.
- */
-
- var dns = require('dns');
-
- /**
- * Module exports.
- */
-
- module.exports = dnsResolve;
-
- dnsResolve.async = true;
-
- /**
- * Resolves the given DNS hostname into an IP address, and returns it in the dot
- * separated format as a string.
- *
- * Example:
- *
- * ``` js
- * dnsResolve("home.netscape.com")
- * // returns the string "198.95.249.79".
- * ```
- *
- * @param {String} host hostname to resolve
- * @return {String} resolved IP address
- */
-
- function dnsResolve (host, fn) {
- var family = 4;
- dns.lookup(host, family, function (err, ip) {
- if (err) return fn(err);
- fn(null, ip || '127.0.0.1');
- });
- }
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