pinging a hostname results in a delay in RHEL7

Solution Unverified - Updated -

Issue

  • Pinging a DNS name gets a delay in response on RHEL7, but ping direct to IP address is okay, and on RHEL6 ping both DNS name and IP address do not suffer a delay

Environment

  • Red Hat Enterprise Linux 7
  • ping to a DNS name, such as ping www.example.com

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