%match = (
  'ABC.com' => {
    'XYZ.com' => {
      company => 1,  # reg. only
      contact => 0,  # no match
      address => 3,  # reg. and admin.
      phone => 2,    # admin. only
      email => 2,    # admin. only
    },
    ...,
  },
  ...
);