From 754d1fb52cb243032daab67428769daba7f6e25d Mon Sep 17 00:00:00 2001
From: Jai Kandepu <73307963+C0oki3s@users.noreply.github.com>
Date: Wed, 22 Oct 2025 17:17:59 +0530
Subject: [PATCH] Refactor dns.lookup and address handling logic

Updated dns.lookup to return all addresses and adjusted bitwise operations for consistency.
---
 lib/index.js | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/lib/index.js b/lib/index.js
index 3a55073..dcbb8c5 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -242,16 +242,19 @@ async function resolveAll (hostname) {
     results.push(...v6)
   } catch {}
 
-  // Fallback: dns.lookup if resolvers are blocked
+  // Fallback: dns.lookup (gives system resolver results)
   if (!results.length) {
-    const address = await new Promise((resolve, reject) => {
-      dns.lookup(hostname, { all: false, family: 0, hints: dns.ADDRCONFIG | dns.V4MAPPED }, (err, address) => {
+    const addresses = await new Promise((resolve, reject) => {
+      dns.lookup(hostname, { all: true, family: 0, hints: dns.ADDRCONFIG | dns.V4MAPPED }, (err, addresses) => {
         if (err) return reject(err)
-        resolve(address)
+        resolve(addresses)
       })
     })
-    if (typeof address === 'string') results.push(address)
-    else if (address && address.address) results.push(address.address)
+    if (Array.isArray(addresses)) {
+      for (const addr of addresses) {
+        if (addr && addr.address) results.push(addr.address)
+      }
+    }
   }
 
   return results
@@ -288,11 +291,11 @@ function normalizeObfuscatedIPv4 (host) {
       if (nums.every(x => x !== null && x >= 0)) {
         let dword = null
         if (nums.length === 4) {
-          if (nums.every(x => x <= 255)) dword = (nums[0] << 24) | (nums[1] << 16) | (nums[2] << 8) | nums[3]
+          if (nums.every(x => x <= 255)) dword = ((nums[0] << 24) | (nums[1] << 16) | (nums[2] << 8) | nums[3]) >>> 0
         } else if (nums.length === 3) {
-          if (nums[0] <= 255 && nums[1] <= 255 && nums[2] <= 0xFFFF) dword = (nums[0] << 24) | (nums[1] << 16) | nums[2]
+          if (nums[0] <= 255 && nums[1] <= 255 && nums[2] <= 0xFFFF) dword = ((nums[0] << 24) | (nums[1] << 16) | nums[2]) >>> 0
         } else if (nums.length === 2) {
-          if (nums[0] <= 255 && nums[1] <= 0xFFFFFF) dword = (nums[0] << 24) | nums[1]
+          if (nums[0] <= 255 && nums[1] <= 0xFFFFFF) dword = ((nums[0] << 24) | nums[1]) >>> 0
         } else if (nums.length === 1) {
           if (nums[0] <= 0xFFFFFFFF) dword = nums[0]
         }