diff --git a/cp/bin/file_cache.php b/cp/bin/file_cache.php
index 6256dba..b8608bb 100644
--- a/cp/bin/file_cache.php
+++ b/cp/bin/file_cache.php
@@ -28,17 +28,11 @@ if (!$cachedFile->isHit()) {
 
     // Save the file content to cache
     $cachedFile->set($fileContent);
-    $cachedFile->expiresAfter(86400); // Cache for 24 hours, for example
+    $cachedFile->expiresAfter(86400 * 7); // Cache for 7 days
     $cache->save($cachedFile);
-    echo "File downloaded and cached.\n";
+    echo "ICANN TLD List downloaded and cached.".PHP_EOL;
 } else {
     // Retrieve the file content from the cache
     $fileContent = $cachedFile->get();
-    echo "File loaded from cache.\n";
-}
-
-// Use $fileContent as needed
-// ...
-
-// For demonstration: Writing first 200 characters of the content
-echo substr($fileContent, 0, 50) . "...";
\ No newline at end of file
+    echo "ICANN TLD List loaded from cache.".PHP_EOL;
+}
\ No newline at end of file
diff --git a/cp/bootstrap/helper.php b/cp/bootstrap/helper.php
index 47d6a69..79fedd8 100644
--- a/cp/bootstrap/helper.php
+++ b/cp/bootstrap/helper.php
@@ -284,17 +284,17 @@ function extractDomainAndTLD($urlString) {
     $cachedFile = $cache->getItem($cacheKey);
     $fileContent = $cachedFile->get();
 
-    // Define a list of fake TLDs used in your QA environment
-    $fakeTlds = ['test', 'xx'];
+    // Load a list of test TLDs used in your QA environment
+    $testTlds = explode(',', envi('TEST_TLDS'));
 
     // Parse the URL to get the host
     $parts = parse_url($urlString);
     $host = $parts['host'] ?? $urlString;
 
-    // Check if the TLD is a known fake TLD
-    foreach ($fakeTlds as $fakeTld) {
-        if (str_ends_with($host, ".$fakeTld")) {
-            // Handle the fake TLD case
+    // Check if the TLD is a known test TLD
+    foreach ($testTlds as $testTld) {
+        if (str_ends_with($host, "$testTld")) {
+            // Handle the test TLD case
             $hostParts = explode('.', $host);
             $tld = array_pop($hostParts);
             $sld = array_pop($hostParts);
diff --git a/cp/env-sample b/cp/env-sample
index d791152..33fcd97 100644
--- a/cp/env-sample
+++ b/cp/env-sample
@@ -24,4 +24,6 @@ MAIL_FROM_NAME='Example'
 MAIL_API_KEY='test-api-key'
 MAIL_API_PROVIDER='sendgrid'
 
-STRIPE_SECRET_KEY='stripe-secret-key'
\ No newline at end of file
+STRIPE_SECRET_KEY='stripe-secret-key'
+
+TEST_TLDS=.test,.xx
\ No newline at end of file
diff --git a/docs/install.md b/docs/install.md
index c4d8610..ce012b5 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -294,6 +294,14 @@ This command will install the dependencies defined in your ```composer.json``` f
 
 5. Remove the Script: Once verified, delete the script to maintain system security.
 
+### Download TLD List:
+
+To get the starting list of TLDs (Top-Level Domains) from ICANN and cache it for quick access later, please run the following command:
+
+```bash
+php /var/www/cp/bin/file_cache.php
+```
+
 ## 8. Setup Web Lookup:
 
 ```bash
diff --git a/epp/config.php.dist b/epp/config.php.dist
index 8b8c475..e94bac7 100644
--- a/epp/config.php.dist
+++ b/epp/config.php.dist
@@ -14,4 +14,5 @@ return [
     'epp_prefix' => 'namingo',
     'ssl_cert' => '',
     'ssl_key' => '',
+    'test_tlds' => '.test,.xx',
 ];
\ No newline at end of file
diff --git a/epp/src/helpers.php b/epp/src/helpers.php
index 5607dcb..e68bf83 100644
--- a/epp/src/helpers.php
+++ b/epp/src/helpers.php
@@ -231,6 +231,8 @@ function validate_label($label, $pdo) {
 }
 
 function extractDomainAndTLD($urlString) {
+    global $c;
+    
     $cachePath = '/var/www/cp/cache'; // Cache directory
     $adapter = new LocalFilesystemAdapter($cachePath, null, LOCK_EX);
     $filesystem = new Filesystem($adapter);
@@ -239,17 +241,17 @@ function extractDomainAndTLD($urlString) {
     $cachedFile = $cache->getItem($cacheKey);
     $fileContent = $cachedFile->get();
 
-    // Define a list of fake TLDs used in your QA environment
-    $fakeTlds = ['test', 'xx'];
+    // Load a list of test TLDs used in your QA environment
+    $testTlds = explode(',', $c['test_tlds']);
 
     // Parse the URL to get the host
     $parts = parse_url($urlString);
     $host = $parts['host'] ?? $urlString;
 
-    // Check if the TLD is a known fake TLD
-    foreach ($fakeTlds as $fakeTld) {
-        if (str_ends_with($host, ".$fakeTld")) {
-            // Handle the fake TLD case
+    // Check if the TLD is a known test TLD
+    foreach ($testTlds as $testTld) {
+        if (str_ends_with($host, "$testTld")) {
+            // Handle the test TLD case
             $hostParts = explode('.', $host);
             $tld = array_pop($hostParts);
             $sld = array_pop($hostParts);