diff --git a/doc/api/dns.md b/doc/api/dns.md index cd66548daf811a..5cd42c14896f1d 100644 --- a/doc/api/dns.md +++ b/doc/api/dns.md @@ -183,7 +183,7 @@ corresponding lookup methods. On error, `err` is an [`Error`][] object, where `err.code` is one of the error codes listed [here](#dns_error_codes). -## dns.resolve4(hostname, callback) +## dns.resolve4(hostname[, options], callback) @@ -193,6 +193,13 @@ Uses the DNS protocol to resolve a IPv4 addresses (`A` records) for the will contain an array of IPv4 addresses (e.g. `['74.125.79.104', '74.125.79.105', '74.125.79.106']`). +* `hostname` {String} Hostname to resolve. +* `options` {Object} + * `ttl` {Boolean} Retrieve the Time-To-Live value (TTL) of each record. + The callback receives an array of `{ address: '1.2.3.4', ttl: 60 }` objects + rather than an array of strings. The TTL is expressed in seconds. +* `callback` {Function} An `(err, result)` callback function. + ## dns.resolve6(hostname, callback)