Fatal error:  Uncaught ArgumentCountError: getmxrr() expects at least 2 arguments, 1 given in /home/pantanac/test.w6f.net/checkdnsrr.php:13
Stack trace:
#0 /home/pantanac/test.w6f.net/checkdnsrr.php(13): getmxrr('accorhotels.com')
#1 {main}
  thrown in /home/pantanac/test.w6f.net/checkdnsrr.php on line 13