summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/src/dns.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/src/dns.c b/src/src/dns.c
index d036162cb..e13aa74e2 100644
--- a/src/src/dns.c
+++ b/src/src/dns.c
@@ -501,6 +501,8 @@ const uschar * auth_name;
const uschar * trusted;
if (dnsa->answerlen < 0) return FALSE;
+/* Beware that newer versions of glibc on Linux will filter out the ad bit
+unless their shiny new RES_TRUSTAD bit is set for the resolver. */
if (h->ad) return TRUE;
/* If the resolver we ask is authoritative for the domain in question, it may