Document resolver should not point to ourselves.

Fixes: #14354
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

diff --git a/docs/guides/alias.rst b/docs/guides/alias.rst
index 0051cb0ddab7b6ad7aa8ff0f57035c2f57215583..6d179aa8d1234fe46466d48f2c16bde201488c82 100644 (file)
--- a/docs/guides/alias.rst
+++ b/docs/guides/alias.rst
@@ -36,6 +36,10 @@ When the authoritative server receives a query for the A-record for
 with that A record.
 If the ALIAS target cannot be resolved (SERVFAIL) or does not exist (NXDOMAIN) the authoritative server will answer SERVFAIL.
 
+.. warning::
+  You should make sure that the :ref:`setting-resolver` does not point to
+  PowerDNS itself, to prevent infinite query loops.
+
 .. _alias_axfr:
 
 AXFR Zone transfers

diff --git a/docs/settings.rst b/docs/settings.rst
index a036831c4cac5e9846508b8c17ab9f77850c6353..6c6a77978510c7e4620793789ed308a5a8190cce 100644 (file)
--- a/docs/settings.rst
+++ b/docs/settings.rst
@@ -1603,6 +1603,10 @@ Examples::
   resolver=127.0.0.1
   resolver=[::1]:5300
 
+.. warning::
+  You should make sure that the :ref:`setting-resolver` does not point to
+  PowerDNS itself, to prevent infinite query loops.
+
 .. _setting-retrieval-threads:
 
 ``retrieval-threads``