This is the command fdnsmxlist that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
fdnsmxlist - resolve a list of MX records for hostname
fdnsmxlist will attempt to look up a list of MX records for hostname. If any are found,
they are printed to standard output separated by newlines in the format:
Protocol (Priority) hostname:port
and the program exits with return code 0. If not, nothing is printed and the program
exits with return code 1.
Use fdnsmxlist online using onworks.net services