--- a/dns.rst	Wed Jan 13 16:05:10 2016 +0200
+++ b/dns.rst	Wed Jan 13 21:24:20 2016 +0200
@@ -27,6 +27,12 @@
   $ dig +trace google.com
   $ dig @8.8.4.4 +noall +answer +stats A defun.work
 
+Despite ``dig`` shown only names for NS replays also have IP adresses (to avoid
+chicken/egg ptoblem when you request name resolution but asked to resolve
+another name). To see IP addressed use ``+additional`` option::
+
+  $ dig +trace +additional google.com
+
 IP from host name.
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