#!/usr/bin/python
# hostaddrs - canonize name and show addresses

import sys
import socket
name = sys.argv[1]
hent = socket.gethostbyname_ex(name)
print "%s aliases: %s => %s" % (
            hent[0],
            len(hent[1])==0 and "None" or ",".join(hent[1]),
            ",".join(hent[2]) )