string(42) "innermongolia-schsjyzxyxgs.qiye.hbksco.com"

array(4) {
  [0] => string(26) "innermongolia-schsjyzxyxgs"
  [1] => string(4) "qiye"
  [2] => string(6) "hbksco"
  [3] => string(3) "com"
}

array(2) {
  [0] => string(13) "innermongolia"
  [1] => string(12) "schsjyzxyxgs"
}