simplify error handling for dns_get_record()

Author: aivchen

src/Validation/DNSGetRecordWrapper.php

@@ -12,19 +12,7 @@ class DNSGetRecordWrapper
      */
     public function getRecords(string $host, int $type): DNSRecords
     {
-        // A workaround to fix https://bugs.php.net/bug.php?id=73149
-        set_error_handler(
-            static function (int $errorLevel, string $errorMessage): never {
-                throw new \RuntimeException("Unable to get DNS record for the host: $errorMessage");
-            }
-        );
-        try {
-            // Get all MX, A and AAAA DNS records for host
-            return new DNSRecords(dns_get_record($host, $type));
-        } catch (\RuntimeException $exception) {
-            return new DNSRecords([], true);
-        } finally {
-            restore_error_handler();
-        }
+        $result = @dns_get_record($host, $type);
+        return new DNSRecords($result === false ? [] : $result);
     }
 }