X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/3386088d5af4d4c61faa12ae29560e2c5bd43304..1d28cc061677bd07d9bed48dd84bd5c590247043:/src/src/routers/dnslookup.h

diff --git a/src/src/routers/dnslookup.h b/src/src/routers/dnslookup.h
index 3979ef231..ce1daf3c0 100644
--- a/src/src/routers/dnslookup.h
+++ b/src/src/routers/dnslookup.h
@@ -2,8 +2,9 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 /* Private structure for the private options. */
 
@@ -18,6 +19,8 @@ typedef struct {
   uschar *srv_fail_domains;
   uschar *check_srv;
   uschar *fail_defer_domains;
+  uschar *ipv4_only;
+  uschar *ipv4_prefer;
 } dnslookup_router_options_block;
 
 /* Data for reading the private options. */