1 files changed, 2 insertions, 1 deletions

diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index b0ab23ca..20cb6dd8 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -239,6 +239,7 @@ error_scan (char *input_buffer)
 
         /* Connection was refused */
         else if (strstr (input_buffer, "Connection refused") ||
+                 strstr (input_buffer, "Couldn't find server") ||
                  strstr (input_buffer, "Refused") ||
                  (strstr (input_buffer, "** server can't find") &&
                   strstr (input_buffer, ": REFUSED")))
@@ -255,7 +256,7 @@ error_scan (char *input_buffer)
         /* Host or domain name does not exist */
         else if (strstr (input_buffer, "Non-existent") ||
                  strstr (input_buffer, "** server can't find") ||
-                 strstr (input_buffer,"NXDOMAIN"))
+                 strstr (input_buffer,"NXDOMAIN"))
                 die (STATE_CRITICAL, _("Domain %s was not found by the server\n"), query_address);
 
         /* Network is unreachable */