Why does system fails to access samba shares using hostname instead of ip address, if in samba share "hosts allow =" is defined with "hostname" in Red Hat Enterprise Linux 6?

Issue

• Samba shares are not accessible when hosts allow = is defined with hostname on Red Hat Enterprise Linux 6
• Same share is accessble if client system tries to access the share using IP Address
  Sample Configuration -

[global]
  workgroup = MYGROUP
  server string = Samba Server Version %v
  log file = /var/log/samba/samba.log
  log level = 3
  max log size = 50
  security = user
  passdb backend = tdbsam
  load printers = yes
  cups options = raw

[Test]
  comment = testfolder
  path = /testfolder
  create mask = 0777
  guest ok = yes
  hosts allow = test.example.com, 192.168.1.12