diff --git a/source4/dns_server/dnsserver_common.c b/source4/dns_server/dnsserver_common.c
index ad91f96340a..fbe39d99bf0 100644
--- a/source4/dns_server/dnsserver_common.c
+++ b/source4/dns_server/dnsserver_common.c
@@ -1034,6 +1034,11 @@ WERROR dns_common_replace(struct ldb_context *samdb,
 			 * record.
 			 */
 			if (records[i].data.EntombedTime != 0) {
+				if (rec_count != 1) {
+					DBG_ERR("tombstone record has %u neighbour "
+						"records.\n",
+						rec_count - 1);
+				}
 				was_tombstoned = true;
 			}
 			continue;