A DNS server behind some network devices returns local address, not external address.

Solution Verified - Updated -

Issue

  • A DNS server behind some network devices returns local address, not external address.
  • Previous DNS server behind different network device than new environment is properly working.
  • Packet captures show different answer addresses between the packet is captured inside the gateway or outside.

Environment

  • Red Hat Enterprise Linux
  • bind
  • Network gateway devices
    • Juniper SRX220H

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