help/opers/testline

   1 TESTLINE [[nick!]user@]host
   2
   3 Looks up given mask, looking for any matching I/K/D/G lines.
   4 If username is not specified, it will look up "dummy@host".
   5 If nickname is specified it will also search for RESVs.
   6
   7 This command will not perform dns lookups on a host, for best
   8 results you must testline a host and its IP form.