From d79f2d3f35887ea4525e283d389d9078fa1ef439 Mon Sep 17 00:00:00 2001
From: Evan Hunt <each@isc.org>
Date: Mon, 23 Feb 2026 16:27:52 -0800
Subject: [PATCH] Make the RD flag optional in isctest.query()

Add an 'rd' parameter (default True) to isctest.query.create() so
that non-recursive queries can be sent with rd=False.

(cherry picked from commit 12e511310024aac38ce223ee47b5108f06caf8f9)
---
 bin/tests/system/isctest/query.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/bin/tests/system/isctest/query.py b/bin/tests/system/isctest/query.py
index a002f626df..4f4e0a7c45 100644
--- a/bin/tests/system/isctest/query.py
+++ b/bin/tests/system/isctest/query.py
@@ -106,6 +106,7 @@ def create(
     qtype,
     qclass=dns.rdataclass.IN,
     dnssec: bool = True,
+    rd: bool = True,
     cd: bool = False,
     ad: bool = True,
 ) -> dns.message.Message:
@@ -113,7 +114,9 @@ def create(
     msg = dns.message.make_query(
         qname, qtype, qclass, use_edns=True, want_dnssec=dnssec
     )
-    msg.flags = dns.flags.RD
+    msg.flags = 0
+    if rd:
+        msg.flags = dns.flags.RD
     if ad:
         msg.flags |= dns.flags.AD
     if cd: