diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
index 54ae2fc0e..d1beb5812 100644
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -59,7 +59,7 @@ ngx_int_t ngx_udp_connect(ngx_udp_connection_t *uc);
 static void ngx_resolver_cleanup(void *data);
 static void ngx_resolver_cleanup_tree(ngx_resolver_t *r, ngx_rbtree_t *tree);
 static ngx_int_t ngx_resolve_name_locked(ngx_resolver_t *r,
-    ngx_resolver_ctx_t *ctx);
+    ngx_resolver_ctx_t *ctx, ngx_str_t *name);
 static void ngx_resolver_expire(ngx_resolver_t *r, ngx_rbtree_t *tree,
     ngx_queue_t *queue);
 static ngx_int_t ngx_resolver_send_query(ngx_resolver_t *r,
@@ -376,7 +376,7 @@ ngx_resolve_name(ngx_resolver_ctx_t *ctx)
 
     /* lock name mutex */
 
-    rc = ngx_resolve_name_locked(r, ctx);
+    rc = ngx_resolve_name_locked(r, ctx, &ctx->name);
 
     if (rc == NGX_OK) {
         return NGX_OK;
@@ -403,7 +403,6 @@ ngx_resolve_name(ngx_resolver_ctx_t *ctx)
 void
 ngx_resolve_name_done(ngx_resolver_ctx_t *ctx)
 {
-    uint32_t              hash;
     ngx_resolver_t       *r;
     ngx_resolver_ctx_t   *w, **p;
     ngx_resolver_node_t  *rn;
@@ -425,9 +424,7 @@ ngx_resolve_name_done(ngx_resolver_ctx_t *ctx)
 
     if (ctx->state == NGX_AGAIN || ctx->state == NGX_RESOLVE_TIMEDOUT) {
 
-        hash = ngx_crc32_short(ctx->name.data, ctx->name.len);
-
-        rn = ngx_resolver_lookup_name(r, &ctx->name, hash);
+        rn = ctx->node;
 
         if (rn) {
             p = &rn->waiting;
@@ -472,20 +469,22 @@ done:
 
 
 static ngx_int_t
-ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx)
+ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx,
+    ngx_str_t *name)
 {
     uint32_t              hash;
     ngx_int_t             rc;
+    ngx_str_t             cname;
     ngx_uint_t            naddrs;
     ngx_addr_t           *addrs;
     ngx_resolver_ctx_t   *next, *last;
     ngx_resolver_node_t  *rn;
 
-    ngx_strlow(ctx->name.data, ctx->name.data, ctx->name.len);
+    ngx_strlow(name->data, name->data, name->len);
 
-    hash = ngx_crc32_short(ctx->name.data, ctx->name.len);
+    hash = ngx_crc32_short(name->data, name->len);
 
-    rn = ngx_resolver_lookup_name(r, &ctx->name, hash);
+    rn = ngx_resolver_lookup_name(r, name, hash);
 
     if (rn) {
 
@@ -559,10 +558,10 @@ ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx)
 
             if (ctx->recursion++ < NGX_RESOLVER_MAX_RECURSION) {
 
-                ctx->name.len = rn->cnlen;
-                ctx->name.data = rn->u.cname;
+                cname.len = rn->cnlen;
+                cname.data = rn->u.cname;
 
-                return ngx_resolve_name_locked(r, ctx);
+                return ngx_resolve_name_locked(r, ctx, &cname);
             }
 
             last->next = rn->waiting;
@@ -602,6 +601,11 @@ ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx)
             rn->waiting = ctx;
             ctx->state = NGX_AGAIN;
 
+            do {
+                ctx->node = rn;
+                ctx = ctx->next;
+            } while (ctx);
+
             return NGX_AGAIN;
         }
 
@@ -640,14 +644,14 @@ ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx)
             return NGX_ERROR;
         }
 
-        rn->name = ngx_resolver_dup(r, ctx->name.data, ctx->name.len);
+        rn->name = ngx_resolver_dup(r, name->data, name->len);
         if (rn->name == NULL) {
             ngx_resolver_free(r, rn);
             return NGX_ERROR;
         }
 
         rn->node.key = hash;
-        rn->nlen = (u_short) ctx->name.len;
+        rn->nlen = (u_short) name->len;
         rn->query = NULL;
 #if (NGX_HAVE_INET6)
         rn->query6 = NULL;
@@ -656,7 +660,7 @@ ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx)
         ngx_rbtree_insert(&r->name_rbtree, &rn->node);
     }
 
-    rc = ngx_resolver_create_name_query(r, rn, &ctx->name);
+    rc = ngx_resolver_create_name_query(r, rn, name);
 
     if (rc == NGX_ERROR) {
         goto failed;
@@ -720,6 +724,11 @@ ngx_resolve_name_locked(ngx_resolver_t *r, ngx_resolver_ctx_t *ctx)
 
     ctx->state = NGX_AGAIN;
 
+    do {
+        ctx->node = rn;
+        ctx = ctx->next;
+    } while (ctx);
+
     return NGX_AGAIN;
 
 failed:
@@ -842,6 +851,7 @@ ngx_resolve_addr(ngx_resolver_ctx_t *ctx)
             ctx->next = rn->waiting;
             rn->waiting = ctx;
             ctx->state = NGX_AGAIN;
+            ctx->node = rn;
 
             /* unlock addr mutex */
 
@@ -927,6 +937,7 @@ ngx_resolve_addr(ngx_resolver_ctx_t *ctx)
     /* unlock addr mutex */
 
     ctx->state = NGX_AGAIN;
+    ctx->node = rn;
 
     return NGX_OK;
 
@@ -957,17 +968,11 @@ failed:
 void
 ngx_resolve_addr_done(ngx_resolver_ctx_t *ctx)
 {
-    in_addr_t             addr;
     ngx_queue_t          *expire_queue;
     ngx_rbtree_t         *tree;
     ngx_resolver_t       *r;
     ngx_resolver_ctx_t   *w, **p;
-    struct sockaddr_in   *sin;
     ngx_resolver_node_t  *rn;
-#if (NGX_HAVE_INET6)
-    uint32_t              hash;
-    struct sockaddr_in6  *sin6;
-#endif
 
     r = ctx->resolver;
 
@@ -996,21 +1001,7 @@ ngx_resolve_addr_done(ngx_resolver_ctx_t *ctx)
 
     if (ctx->state == NGX_AGAIN || ctx->state == NGX_RESOLVE_TIMEDOUT) {
 
-        switch (ctx->addr.sockaddr->sa_family) {
-
-#if (NGX_HAVE_INET6)
-        case AF_INET6:
-            sin6 = (struct sockaddr_in6 *) ctx->addr.sockaddr;
-            hash = ngx_crc32_short(sin6->sin6_addr.s6_addr, 16);
-            rn = ngx_resolver_lookup_addr6(r, &sin6->sin6_addr, hash);
-            break;
-#endif
-
-        default: /* AF_INET */
-            sin = (struct sockaddr_in *) ctx->addr.sockaddr;
-            addr = ntohl(sin->sin_addr.s_addr);
-            rn = ngx_resolver_lookup_addr(r, addr);
-        }
+        rn = ctx->node;
 
         if (rn) {
             p = &rn->waiting;
@@ -2014,9 +2005,12 @@ ngx_resolver_process_a(ngx_resolver_t *r, u_char *buf, size_t last,
         rn->waiting = NULL;
 
         if (ctx) {
-            ctx->name = name;
 
-            (void) ngx_resolve_name_locked(r, ctx);
+            for (next = ctx; next; next = next->next) {
+                next->node = NULL;
+            }
+
+            (void) ngx_resolve_name_locked(r, ctx, &name);
         }
 
         ngx_resolver_free(r, rn->query);
diff --git a/src/core/ngx_resolver.h b/src/core/ngx_resolver.h
index 22f249595..07fa25785 100644
--- a/src/core/ngx_resolver.h
+++ b/src/core/ngx_resolver.h
@@ -161,6 +161,8 @@ struct ngx_resolver_ctx_s {
     ngx_uint_t                quick;  /* unsigned  quick:1; */
     ngx_uint_t                recursion;
     ngx_event_t              *event;
+
+    ngx_resolver_node_t      *node;
 };