diff --git a/cp/bootstrap/helper.php b/cp/bootstrap/helper.php
index cf3c6f6..e64499a 100644
--- a/cp/bootstrap/helper.php
+++ b/cp/bootstrap/helper.php
@@ -360,9 +360,18 @@ function extractDomainAndTLD($urlString) {
     }
 
     // Use the PHP Domain Parser library for real TLDs
-    $tlds = TopLevelDomains::fromString($fileContent);
-    $domain = Domain::fromIDNA2008($host);
-    $resolvedTLD = $tlds->resolve($domain)->suffix()->toString();
+    try {
+        // Use the PHP Domain Parser library for real TLDs
+        $tlds = TopLevelDomains::fromString($fileContent);
+        $domain = Domain::fromIDNA2008($host);
+        $resolvedTLD = $tlds->resolve($domain)->suffix()->toString();
+    } catch (\Pdp\Exception $e) { // Catch domain parser exceptions
+        $_SESSION['slimFlash']['error'][] = 'Domain parsing error: ' . $e->getMessage();
+        return ['error' => 'Domain parsing error: ' . $e->getMessage()];
+    } catch (\Exception $e) { // Catch any other unexpected exceptions
+        $_SESSION['slimFlash']['error'][] = 'Unexpected error: ' . $e->getMessage();
+        return ['error' => 'Unexpected error: ' . $e->getMessage()];
+    }
 
     // Handle cases with multi-level TLDs
     $possibleTLDs = [];
diff --git a/epp/src/helpers.php b/epp/src/helpers.php
index 3904c85..0f43a5a 100644
--- a/epp/src/helpers.php
+++ b/epp/src/helpers.php
@@ -300,10 +300,16 @@ function extractDomainAndTLD($urlString) {
         return $result;
     }
 
-    // Use the PHP Domain Parser library for real TLDs
-    $tlds = TopLevelDomains::fromString($fileContent);
-    $domain = Domain::fromIDNA2008($host);
-    $resolvedTLD = $tlds->resolve($domain)->suffix()->toString();
+    try {
+        // Use the PHP Domain Parser library for real TLDs
+        $tlds = TopLevelDomains::fromString($fileContent);
+        $domain = Domain::fromIDNA2008($host);
+        $resolvedTLD = $tlds->resolve($domain)->suffix()->toString();
+    } catch (\Pdp\Exception $e) { // Catch domain parser exceptions
+        throw new \Exception('Domain parsing error: ' . $e->getMessage());
+    } catch (\Exception $e) { // Catch any other unexpected exceptions
+        throw new \Exception('Unexpected error: ' . $e->getMessage());
+    }
 
     // Handle cases with multi-level TLDs
     $possibleTLDs = [];