From c88b334902dc489921d2c2ff3a87e1e26e443312 Mon Sep 17 00:00:00 2001
From: Jian Chang <aa65535@live.com>
Date: Wed, 25 Aug 2021 16:55:16 +0800
Subject: [PATCH] improve #754 (#756)

* improve #754
---
 src/dns_cache.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dns_cache.c b/src/dns_cache.c
index 7df2abf..d558072 100644
--- a/src/dns_cache.c
+++ b/src/dns_cache.c
@@ -418,7 +418,7 @@ int dns_cache_is_soa(struct dns_cache *dns_cache) {
 	}
 
 	struct dns_cache_addr *cache_addr = (struct dns_cache_addr *)dns_cache_get_data(dns_cache);
-	if (cache_addr->addr_data.soa) {
+	if (cache_addr->head.cache_type == CACHE_TYPE_ADDR && cache_addr->addr_data.soa) {
 		return 1;
 	}
 	return 0;