diff --git a/iterator/iterator.c b/iterator/iterator.c
index 1037bcd74..54bcc887d 100644
--- a/iterator/iterator.c
+++ b/iterator/iterator.c
@@ -1328,6 +1328,8 @@ processInitRequest(struct module_qstate* qstate, struct iter_qstate* iq,
 		/* if from cache, NULL, else insert 'cache IP' len=0 */
 		if(qstate->reply_origin)
 			sock_list_insert(&qstate->reply_origin, NULL, 0, qstate->region);
+		if(FLAGS_GET_RCODE(msg->rep->flags) == LDNS_RCODE_SERVFAIL)
+			errinf(qstate, "SERVFAIL in cache");
 		/* it is an answer, response, to final state */
 		verbose(VERB_ALGO, "returning answer from cache.");
 		iq->response = msg;
diff --git a/validator/validator.c b/validator/validator.c
index 2f13dc005..3e9c1ff6c 100644
--- a/validator/validator.c
+++ b/validator/validator.c
@@ -2340,6 +2340,7 @@ processDLVLookup(struct module_qstate* qstate, struct val_qstate* vq,
 
 	if(vq->dlv_status == dlv_error) {
 		verbose(VERB_QUERY, "failed DLV lookup");
+		errinf(qstate, "failed DLV lookup");
 		return val_error(qstate, id);
 	} else if(vq->dlv_status == dlv_success) {
 		uint8_t* nm;