From 34e26e14c5e0fb2d5f05f67858319c9db2058333 Mon Sep 17 00:00:00 2001 From: Simon Kelley Date: Thu, 10 May 2018 20:54:57 +0100 Subject: [PATCH 05/10] Retry query to other servers on receipt of SERVFAIL rcode. Signed-off-by: Kevin Darbyshire-Bryant --- src/forward.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/src/forward.c +++ b/src/forward.c @@ -817,7 +817,7 @@ void reply_query(int fd, int family, tim /* Note: if we send extra options in the EDNS0 header, we can't recreate the query from the reply. */ - if (RCODE(header) == REFUSED && + if ((RCODE(header) == REFUSED || RCODE(header) == SERVFAIL) && forward->forwardall == 0 && !(forward->flags & FREC_HAS_EXTRADATA)) /* for broken servers, attempt to send to another one. */