Bind Queries log file format

Michael Dahlberg olgamirth at
Tue Jan 24 21:25:31 UTC 2017

In upgrading from BIND 9.10 to 9.11, it looks as if the query log file
format has changed slightly:

Previously (9.10 variant) the entry looked something like this:

04-Nov-2016 10:34:03.991 queries: info: client
( query: IN PTR +

Now (9.11.0-P2) it looks similar to this:

24-Jan-2017 15:49:00.999 queries: info: client @0x7f6450002ef0
60418 ( query: IN PTR + (

I can discern what almost all of the fields signify except for the
part "@0x7f6450002ef0".
I'm pretty sure its not the hex value for the client IP address because I
have many of these types of entries where the client IP address remains the
same but the "@0x" value changes.

Also, I can't seem to find anything in the ARM about this (but I may be
looking in the wrong section (I was looking at the text on page 60).

Thanks for any assistance,
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