diff --git a/src/tools/domain-tool.ts b/src/tools/domain-tool.ts
index 2891eee..76633df 100644
--- a/src/tools/domain-tool.ts
+++ b/src/tools/domain-tool.ts
@@ -218,7 +218,7 @@ async function callNamecheapApi(
     return { error: 'Namecheap API 키가 설정되지 않았습니다.' };
   }
   const apiKey = env.NAMECHEAP_API_KEY_INTERNAL;
-  const apiUrl = env.NAMECHEAP_API_URL || 'https://namecheap-api.anvil.it.com';
+  const apiUrl = env.NAMECHEAP_API_URL || 'https://namecheap.api.inouter.com';
 
   // 도메인 권한 체크 (쓰기 작업만)
   // 읽기 작업(get_domain_info, get_nameservers)은 누구나 조회 가능
@@ -903,7 +903,7 @@ export async function executeSuggestDomains(args: { keywords: string }, env?: En
   const namecheapApiKey = env.NAMECHEAP_API_KEY;
 
   try {
-    const namecheapApiUrl = env.NAMECHEAP_API_URL || 'https://namecheap-api.anvil.it.com';
+    const namecheapApiUrl = env.NAMECHEAP_API_URL || 'https://namecheap.api.inouter.com';
     const TARGET_COUNT = 10;
     const MAX_RETRIES = 3;