dns: implement {ttl: true} for dns.resolve6()

Add an option to retrieve the Time-To-Live of the AAAA record.

PR-URL: https://github.com/nodejs/node/pull/9296
Refs: https://github.com/nodejs/node/issues/5893
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>

1 files changed, 8 insertions, 1 deletions

diff --git a/doc/api/dns.md b/doc/api/dns.md
index 2dd6fa60bc..53af8491a7 100644
--- a/doc/api/dns.md
+++ b/doc/api/dns.md
@@ -200,7 +200,7 @@ will contain an array of IPv4 addresses (e.g.
     rather than an array of strings.  The TTL is expressed in seconds.
 * `callback` {Function} An `(err, result)` callback function.
 
-## dns.resolve6(hostname, callback)
+## dns.resolve6(hostname[, options], callback)
 <!-- YAML
 added: v0.1.16
 -->
@@ -209,6 +209,13 @@ Uses the DNS protocol to resolve a IPv6 addresses (`AAAA` records) for the
 `hostname`. The `addresses` argument passed to the `callback` function
 will contain an array of IPv6 addresses.
 
+* `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: '0:1:2:3:4:5:6:7', ttl: 60 }`
+    objects rather than an array of strings.  The TTL is expressed in seconds.
+* `callback` {Function} An `(err, result)` callback function.
+
 ## dns.resolveCname(hostname, callback)
 <!-- YAML
 added: v0.3.2