Formats: add proto output for dump_dns command
Formats: add proto output for dump_dns command

Change-Id: Ib395a1e6c8d7b23ad248e6f280ee42b23eed0cb7
Addresses-Issue: Jira/AQUILON-4328
Reviewed-By: Gintare Urbone <7b2f6a75144f003a7c3d59a82fbac201ac0f4ad2@morganstanley.com>

quattor/aquilon,quattor/aquilon,quattor/aquilon