From: Bob Halley <halley@dnspython.org>
Date: Sun, 18 Jan 2026 13:23:47 +0000 (-0800)
Subject: Add RFC 9824 CO EDNS flag
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7bd558e5b66329a788f0c991a291dc4d70a2e839;p=thirdparty%2Fdnspython.git

Add RFC 9824 CO EDNS flag
---

diff --git a/dns/flags.py b/dns/flags.py
index 4c60be13..84a6bb31 100644
--- a/dns/flags.py
+++ b/dns/flags.py
@@ -46,6 +46,8 @@ class Flag(enum.IntFlag):
 class EDNSFlag(enum.IntFlag):
     #: DNSSEC answer OK
     DO = 0x8000
+    #: Compact nonexistence, restore NXDOMAIN requested
+    CO = 0x4000
 
 
 def _from_text(text: str, enum_class: Any) -> int:
@@ -119,5 +121,6 @@ CD = Flag.CD
 ### BEGIN generated EDNSFlag constants
 
 DO = EDNSFlag.DO
+CO = EDNSFlag.CO
 
 ### END generated EDNSFlag constants