diff --git a/api/dnssec.js b/api/dnssec.js
index 1ce4bfbe..afaa955f 100644
--- a/api/dnssec.js
+++ b/api/dnssec.js
@@ -25,7 +25,11 @@ const handler = async (domain) => {
           });
 
           res.on('end', () => {
-            resolve(JSON.parse(data));
+            try {
+              resolve(JSON.parse(data));
+            } catch (error) {
+              reject(new Error('Invalid JSON response'));
+            }
           });
 
           res.on('error', error => {
@@ -50,5 +54,4 @@ const handler = async (domain) => {
 };
 
 module.exports = middleware(handler);
-module.exports.handler = middleware(handler);
-
+module.exports.handler = middleware(handler);
\ No newline at end of file