string(32) "cdraxfjjzyfwyxgs1.b2b.hbksco.com"

array(4) {
  [0] => string(17) "cdraxfjjzyfwyxgs1"
  [1] => string(3) "b2b"
  [2] => string(6) "hbksco"
  [3] => string(3) "com"
}

array(1) {
  [0] => string(17) "cdraxfjjzyfwyxgs1"
}