fix lookup

services/dns.ts

@@ -1,13 +1,17 @@
 export const DnsService = {
   async resolve(hostname: string): Promise<string | null> {
     try {
+      const controller = new AbortController();
+      const timeout = setTimeout(() => controller.abort(), 5000);
       const response = await fetch(
         `https://cloudflare-dns.com/dns-query?name=${hostname}&type=A`,
         {
           headers: { accept: 'application/dns-json' },
-          credentials: 'omit'
+          credentials: 'omit',
+          signal: controller.signal,
         }
       );
+      clearTimeout(timeout);
 
       if (!response.ok) return null;