Sending extra info in bind dns query packet

Sachin Patil 04sachin at
Thu Jul 14 05:49:13 UTC 2016

Hello All,

I am just looking into bind and want to send extra information while
querying dns bind server.
This information will be used at the bind server side to return the
resolved ip.

I have control of dns query and bind server, I mean I can modify the source
codes of both.

Can I use additional section of dns protocol to send my extra information
in dns query packet?

Is there other way I can send this extra info through the bind dns query

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